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Avian Flu Update Bulletin Board -
The Latest
News on the Avian Flu Pandemic Threat
Background Information on
Avian Flu from the:

The
Centers for Disease Control and Prevention (CDC) and the official U.S.
Government website for information on a flu pandemic is
www.pandemicflu.gov
to
assist in current status and preparation, with an
Individual and
Family Checklist of suggested items to keep in a
home inventory and extensive additional information.. Additional FDA information is available by clicking on "Avian
Flu Information."
Annually, flu from non-avian
(bird) sources sickens 60,000,000
Americans, puts 400,000 in the hospital and is fatal to more than 36,000 adults
and children. While Avian flu in the deadly H5N1 strain is a worldwide threat
for a Pandemic, individuals must be aware that influenza in other forms is
already a deadly disease in the United States and worldwide, with acute risk to
children and the elderly. Recent locations of Avian Flu cases is shown on the
world map at left with specific information in the numerous press releases
posted below.
.
Avian influenza is an infectious disease of birds caused by type A strains of
the influenza virus. The disease, which was first identified in Italy more than
100 years ago, occurs worldwide. ...Of the 15 avian influenza virus subtypes, H5N1 is of particular concern for
several reasons. H5N1 mutates rapidly and has a documented propensity to acquire
genes from viruses infecting other animal species. Its ability to cause severe
disease in humans has now been documented on two occasions [Many more have
occurred since this release in January 2004 - Click on
Current Infections and Deaths for the most recent WHO Update]. In
addition, laboratory studies have demonstrated that isolates from this virus
have a high pathogenicity [ability to cause disease] and can cause severe
disease in humans. Birds that survive infection excrete virus for at least 10
days, orally and in faeces, thus facilitating further spread at live poultry
markets and by migratory birds.
The epidemic of highly pathogenic avian influenza caused by H5N1, which began
in mid-December 2003 in the Republic of Korea and is now being seen in other
Asian countries (and Europe with suspected cases in Canada) and is therefore of particular public
health concern. H5N1 variants demonstrated a capacity to directly infect humans
in 1997, and have done so again in Viet Nam in January 2004. The spread of
infection in birds increases the opportunities for direct infection of humans.
If more humans become infected over time, the likelihood
also increases that humans, if concurrently infected with human and avian
influenza strains, could serve as the “mixing vessel” for the emergence of a
novel subtype with sufficient human genes to be easily transmitted from
person to person. Such an event would mark the start of an influenza pandemic.
For the complete World Health Organization (WHO) Fact Sheet on Avian Flu,
click on "WHO
Avian Flu" or go to www.who.int for
more current WHO information.
Current Avian Flu News
Releases Worldwide
U.S. Issues Guidelines in
Case of Flu Pandemic
February 1, 2007 - New York Times - By Donald G. McNeil, Jr. - ATLANTA, Feb.
1 — Cities should close schools for up to three months in the event of a
severe
flu outbreak, ball games and movies should be canceled and
working hours staggered so subways and buses are less crowded, the federal
government advised today in issuing new pandemic flu guidelines to states
and cities. Health officials acknowledged that such measures would
hugely disrupt public life, but they argued that these measure would buy the
time needed to produce vaccines and would save lives because flu viruses
attack in waves lasting about two months.“We have to be prepared
for a Category 5 pandemic,” said Dr. Martin Cetron, director of global
migration and quarantine for the
Centers for Disease Control and Prevention, in releasing the guidelines.
“It’s not easy. The only thing that’s harder is facing the consequences.
That will be intolerable.”
In an innovation, the new guidelines are modeled on the five levels of
hurricanes, but ranked by lethality instead of wind speed. Category 1,
which assumes 90,000 Americans would die, is equivalent to a bad year for
seasonal flu, Glen Nowak, a C.D.C. spokesman, said. (About 36,000 Americans
die of flu in an average year.) Category 5, which assumes 1.8 million
dead, is the equivalent of the 1918 Spanish flu pandemic. (That flu killed
about 2 percent of those infected; the H5N1 flu now circulating in Asia has
killed more than 50 percent but is not easily transmitted.)
The new guidelines also advocate having sick people and all their
families even apparently healthy members stay home for 7 to 10 days.
... Any pandemic is expected to move faster than a new vaccine can be
produced; current experimental vaccines against H5N1
avian flu are in short supply and based on strains isolated in 2004 or
2005. Although the government is creating a $4 billion stockpile of
the antiviral drug Tamiflu, it is only useful when taken within the first 48
hours, and Tamiflu-resistant flu strains have already been found in Vietnam
and Egypt. Dr. Levi said that using the National Guard to set up
temporary clinics or move pharmaceutical supplies might make sense.
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Bird Flu Poses Threat
to Global Markets
January 16, 2007 - The Korean Times - The risk of a
bird flu pandemic hitting the world this year is rising and it could cause
a notable fall in global stock markets, the Financial Times said Monday
citing a new research project based on market surveys.
If avian flu spreads across 60 countries this year, the losses to the
Dow Jones Industrial Average might be as a high as 10 per cent, according
to analysis from Thomson Financial and the World Economic Forum (WEF). The
times reported the analysis implies that avian flu now presents one of the
biggest risks to the behavior of stock markets this year, potentially
larger than the threat posed by a terrorist attack.
Reuters, one of world's leading news agencies, said bird flu remains a
threat that the U.S. health care system must take seriously despite less
frequent media coverage and the absence so far of human cases in the
United States. The agency quoted John Bartlett, an infectious disease
expert at John Hopkins University, as saying that the decentralized U.S.
health system will make it more difficult to get ready for a possible
human pandemic of H5N1 avian virus _ or anything else.
It said the virus mainly affects birds but the deaths of two Indonesian
women last week brought the worldwide death toll among people from the
virus to 159, out of a total of 256 infected since 2003. ``It's there to
stay in birds, which means it is just waiting for the opportunity to make
the mutation," Bartlett was quoted as saying. The H5N1 virus is steadily
changing and could at any time acquire the changes it needs to be easily
transmitted from human to human. It would then spark a pandemic that could
kill millions within months.
The fatalities raised Indonesia's death toll from the virus to 61, the
highest in the world. The vast majority of bird flu cases have occurred
after contact with infected poultry. Leaders from 16 regional nations
meeting here Monday expressed concern about the battle against bird flu in
the region. |
Nations Pledge $475 Million Against Bird Flu
December 14, 2006 - Healthday News - Health Highlights - The world's nations
have pledged an additional $475 million to fight bird flu, United Nations
officials said in concluding a three-day avian flu conference in the African
country of Mali.
The United States topped the list with a pledge of $100 million,
followed by Canada ($92.5 million), the European Union ($88.2 million), and
Japan ($67 million), the Agence France Presse news service reported. At
the last similar world meeting in January in Beijing, donors pledged $1
billion in loans and donations toward fighting bird flu. Experts have long
feared that the current H5N1 strain could mutate from a deadly form that
affects mostly birds to one that is more easily transmitted between people,
sparking a human pandemic.
H5N1, primarily spread so far to people by contact with sick birds, has
killed more than 150 people worldwide since late 2003, AFP said. The
virus also has led to mass culls of tens of millions of domestic poultry.
South Korea says third bird flu case confirmed
December 11, 2006 01:09:36 AM PST - Reuters -
A third case of bird flu has been discovered in southwestern South Korea
just as officials have completed culling hundreds of thousands of poultry from
two earlier outbreaks. Last month South Korea confirmed its first cases of
the H5N1 strain in about three years, saying the virus had been found at
two poultry farms close to each other in the North Cholla province. The fresh
case emerged after South Korea completed culling all 760,000 poultry near the
two farms, raising concerns that quarantine measures had failed to control the
outbreak.
"The new case could have nothing to do with the first two cases. We cannot
say the virus has spread through the country," said an official at quarantine
authorities who declined to be named. The third case was discovered at a quail
farm in the same province about 170 km (100 miles) south of Seoul, some 18 km
from the original outbreak, according to the agriculture ministry. The farm
has 290,000 quail and about three thousand had died over the past four days.
Quarantine authorities would cull 360,000 poultry within a 500 meter (1,640
ft) radius of the latest infected farm. There were no reports to suggest
residents or quarantine officials had been infected in or abound the infected
farms, the official said. The infected three farms lie on a path for migratory
birds that head south from Russia, Mongolia and Kazakhstan and sparked concern
that other parts of South Korea could become infected.
Between December 2003 and March 2004, about 400,000 poultry at South Korean
farms were infected by bird flu. During that outbreak, the country destroyed
5.3 million birds and subsequent testing in the United States indicated at
least nine South Korean workers involved in the culling had been infected with
the H5N1 virus. None developed major illnesses. Bird flu remains
essentially an animal disease, but it has infected nearly 260 people worldwide
since late 2003, killing more than 150, according to the World Health
Organization. Since 2003, outbreaks have been confirmed in about 50 countries
and territories.
U.S. Department of Health and Human Services Releases Pandemic
Planning Update III
November 13, 2006 - FDA
To review the U.S. Plan from the U.S. Government for a influenza pandemic,
click on "Pandemic
Planning Update III"
More bird flu vaccine
capacity urgently needed: WHO
October 23, 2006 -
World Health Organization
The
World Health Organization (WHO) on Monday called for a
multi-billion-dollar drive to make more pandemic flu vaccines, saying bird flu
still threatened a global pandemic.
Outlining a plan to protect the
world's 6.7 billion people against bird flu, or other flu viruses with pandemic
potential, the U.N. health agency said manufacturing capacity would shield only
a percentage of the population.
"We are
presently several billion doses short of the amount of pandemic influenza
vaccine we would need," said Marie-Paule Kieny, director of the WHO's initiative
for vaccine research. Since it re-emerged in 2003, H5N1 bird flu has infected
256 people, killing 151, mainly in southeast Asia. Although it has been
difficult for humans to catch, health authorities fear it could evolve into a
form more easily passed between people and trigger a pandemic. "Our
assessment continues to be the same. The risk of a pandemic has not gone down,"
David Heymann, the WHO's acting assistant director-general for communicable
diseases, told a news conference to launch the plan.
Pharmaceutical companies have announced promising animal trials for a possible
H5N1 vaccine, but the WHO says an effective serum is probably still a year away.
Global
output of seasonal flu vaccination -- which could be switched to anti-pandemic
production if needed -- stands at 350 million doses, with existing spare
capacity for around a further 150 million if needed, the WHO said. Current
expansion plans could see this figure rise to some 780 million doses by 2009,
but this was still far short of what might be required in the event of a global
epidemic of a killer flu strain. The plan, drawn up in consultation with 120
experts, urged governments to increase vaccination campaigns against normal
seasonal flu in order to give industry an economic incentive to boost their
production capacity.
But this
would not be enough. States must also encourage the development of capacity
specifically for producing pandemic vaccines, even if this meant companies would
have to be paid for keeping some capacity idle when such vaccines were not
needed. The third strand of the strategy would see stepped up research into more
potent vaccines. These could cut the number of preventive doses needed to one
from the two currently forecast, the WHO said.
The agency
estimated the cost of the development plan at $3 billion to $10 billion over the
next decade. But besides bringing global protection against pandemic flu
viruses, the campaign would help cut the toll from seasonal flu which kills up
to 500,000 people worldwide every year. "Immunization is a critical
control strategy for limiting the impact of an influenza pandemic. Immediate,
collaborative action to increase vaccine supply could have a massive payoff,"
Heymann said.
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Bird Flu Virus Able to Mutate
September 29, 2006 - World Health Organization
The H5N1 bird flu virus is showing indications of being able to mutate
and develop resistance to anti-viral drugs and potential vaccines, a World
Health Organization (WHO) scientist said Thursday.
Mike Perdue, a team leader with WHO's influenza program, said that the
H5N1 virus is splitting into genetically different groups, the
Associated Press reported. He took part in a two-day bird flu conference
earlier this week.
Scientists have yet to develop a vaccine against the H5N1 virus but are
confident they'll be able to do so. However, Perdue said that will be more
difficult if the H5N1 virus can mutate as seasonal flu viruses are known to
do.
"We are going to have to come to the realization that these viruses are
genetically variable. The vaccines that we have predicted to be
protective today may not be protective a year from now," Perdue said.
He also said that there have been cases of H5N1 resistance to the two
most effective anti-viral drugs -- Tamiflu and amantadine -- used to fight
the virus, the AP reported.
WHO:
Bird Flu Pandemic Threat Remains High
September 18, 2006 - World Health Organization
Bird flu has gone
global in the past year, spreading beyond East Asia to Europe, Middle East
and Africa. "The virus seems to be very embedded in the environment and,
in our view, the risk of a pandemic continues unabated," said Richard
Nesbit, WHO's acting regional director for the Western Pacific, speaking
to reporters prior to the agency's regional meeting. ... In the
worst-case scenario, 70 million people could die in a flu pandemic.
The H5N1 avian
influenza virus has killed at least 144 people since late 2003, and it
tends to become more active during the cooler winter months. New outbreaks
among poultry in Cambodia and Thailand, along with continuing problems in
Indonesia, are fueling worries. Indonesia reportedly has detected the virus
in 260 of its 444 districts. Southeast China is another area of concern.
Still, a best-case scenario in which the virus does less harm than in past
years is possible.
Vietnam, for example,
has made significant progress in combating bird flu, Nesbit noted. Although
it is second only to Indonesia in the number of fatalities on record, there
has not been a human case of H5N1 in Vietnam since November 2005. The
country attributes its success to mass vaccination of poultry and strong
political will. China and Indonesia have stepped up efforts to improve
monitoring of animal health in recent months.
At present, bird
flu is not highly communicable to humans. Most cases have been the
result of direct contact with infected birds. The great fear is that the
virus could mutate into a form that easily transmits from one infected
person to another. Although this warning has been delivered for so long that
people may be tiring of hearing about it, the threat is undiminished, Nesbit
emphasized.
A severe flu pandemic
could cost the global economy up to US $2 trillion, the World Bank
estimates. Developing countries would be worse hit, with mortality rates
expected to double those of high-income countries. |
Bird Flu More Deadly For Younger People
June 30, 2006 - Medical News Today - The present H5N1 bird flu virus
strain seems to be more deadly for younger people, as was the case with the flu
pandemic in 1918, says the World Health Organization (WHO). The average
death rate for infected people is 56%, while for 10-19 year-olds it is 73%. WHO
says the chances of a pandemic occurring as a result of a H5N1 mutation is still
significant, according to its report in its Weekly Epidemiological Record.
The report highlights the similarity between the death rates among young people
today and 1918. In 1918, Spanish Flu had a much higher death rate among young
people.
Normal human flu tends to be more deadly for the elderly and people with
weakened immune systems. Normal human flu is estimated to kill up to half a
million people every year worldwide. The report looked at information
gathered from over 200 confirmed H5N1 infection cases - all since 2003.
Carefully following the epidemiology of all these and future human cases allows
us to track the virus' evolution. In some parts of the world H5N1 has
established, and is now be classed as an epidemic among birds, including farmed
and backyard poultry. This provides the environment for further human cases to
occur, which gives H5N1 the opportunity to mutate and become more human
transmissible.
The rate at which humans have become infected has gone up sharply this year.
This is mainly because H5N1 is now present in Asia, Europe and Africa. Human
infections have mainly happened as a result of close contact with infected
poultry. There was a case in Indonesia where 7 family members all became
infected and some of them most likely infected each other. However, they all
shared a small room and slept together in it. H5N1 has always had the ability
to spread from human to human if the sick person is in very close and continuous
contact with another person - even in such cases, passing the infection on is
rare.
In 2005 19 people died of bird flu infection during the first six months of
the year. For the first six months of 2006 the number stands at 54 - 50% of
these people were less than 20 years old, 90% were under 40. Human cases
tend to peak during the winter months. It is expected that numbers will rise
again toward the end of this year when temperatures go down in the Northern
Hemisphere. For the H5N1 virus strain to mutate it ideally needs to enter
a human who is infected with the normal human flu virus. It could then exchange
genetic information with the normal human flu virus and pick up its ability to
easily spread from human-to-human.
One of the reasons H5N1 has such a high death rate for humans is that it only
infects deep down in the lung. It does not, for the moment, infect the
upper-respiratory tract. When patients start to feel symptoms the infection has
already taken a grip. This is also why it is not easy for humans to become
infected. A large cluster of viruses have to be continuously around a human for
a long time so that some of them can eventually make their way deep down into
the lungs and infect. The reason humans cannot infect other humans easily is
because of this deep down infection. When an infected person coughs or sneezes
very few viruses are expelled (they are too deep down).
For the virus to become easily human transmissible it will probably need to
infect higher up, nearer the throat - the upper-respiratory tract. The good
news is that upper-respiratory tract infections tend to be easier to treat.
Hopefully, this means that when the virus does mutate, although it will spread
among humans quickly, it will not be so deadly.
Written by: Christian Nordqvist, Editor: Medical News Today; Article URL:
http://www.medicalnewstoday.com/healthnews.php?newsid=46351
Human Bird-Flu Transmission Confirmed in Indonesian Cluster
June 24, 2006 - Healthday News - Health Highlights - The first case of
human-to-human transmission of the bird flu virus has been confirmed in
laboratory tests of samples taken from a 10-year-old Indonesian boy who died
last month from the H5N1 avian influenza strain, a World Health Organization
official said Friday.
Genetic sequencing of a virus sample taken from the boy showed a minute
change that was also found in a sample taken from his father, who also later
died, said Dick Thompson, a spokesman for the United Nations health agency in
Geneva, Switzerland. Human-to-human transmission had been suspected as the cause
of the infection in seven members of a family of eight from the island of
Sumatra.
"We have seen a genetic change that confirms in a laboratory that the
virus has moved from one human to another," Thompson told Bloomberg News.
The change in the virus "doesn't seem to have any significance in terms of the
pathology of the disease or how easily it's transmitted,' he said.
The Sumatran cluster attracted international attention because it represented
the largest reported instance of bird-flu spread among people and the first
evidence of a three-person chain of infection. A 37-year-old woman suspected of
being the first family member to die was buried before samples were taken. She
reportedly mixed fowl manure with soil with her bare hands to fertilize her
garden. The woman's 10-year-old nephew, an 18-month-old niece, two teenage sons
and a 29-year-old sister became sick between May 2 and May 4, and later died
after having close contact with the woman during her illness, Bloomberg
said. A 25-year-old brother was also infected but survived.
The New York Times reported that the first five family members to
fall ill had identical strains of H5N1, but the virus had mutated slightly in
the sixth victim, the 10-year-old boy, who passed it to his father. That
mutation allowed the lab to confirm the route of transmission. World health
officials said there was no evidence that the mutated virus is any better
adapted to human infection than before. In fact, the WHO has been following
54 neighbors and family members who lived near the family for a month, and none
has contracted the virus, the newspaper said.
At least 130 of the 228 people known to be infected with bird flu since
2003 have died, according to the WHO. World health officials are tracking the
spread of the virus in the event it becomes more adept at infecting people.
Officials Backtrack Bird
Flu Cluster
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By MARGIE MASON
AP Medical Writer
March 25, 2006 - Jakarta Indonesia - Associated Press
- The first person infected in a cluster of bird flu cases in a family in
Indonesia may have come into contact with sick or dead chickens before possibly
passing the virus on to relatives, a World Health Organization official said
Thursday. The woman grew vegetables and sold them in a market, which may have
brought her into contact with infected poultry, said Steven Bjorge, a WHO
epidemiologist in Jakarta. Investigators also haven't ruled out contamination
from chicken feces that the woman used as garden fertilizer, he said.
Officials have not linked her family members to any possible exposure to
the virus from birds, which has led them to believe that limited human-to-human
transmission may have occurred. Six of the seven family members who caught bird
flu have died, the most recent on Monday. An eighth family member who died
was buried before tests could be done, but she was considered to be among those
infected with bird flu.
The deaths in the family cluster were the largest ever reported. The WHO
has stressed the virus has not mutated into a version easily passed between
people or shown any sign of spreading outside the family _ all blood relatives
who had very close contact with each other. "We believe she may have had
some contact either with dead or dying chickens in her household or through her
activities as a vegetable grower and a seller in a market," Bjorge said of the
first woman infected in the cluster.
He said a team of international health experts and villagers is closely
monitoring the area where the family lived in northern Sumatra to ensure no one
else experiences flu-like symptoms. "We are very concerned about this large
outbreak and we've taken it very seriously as has the government," Bjorge said.
"We want to find out if there is any possibility of even one person having mild
symptoms that might have been overlooked."
Tests for the H5N1 virus in birds in the village of Kubu Sembelang have all
come back negative, baffling experts. So far, most human cases have been traced
to contact with infected poultry. But there is evidence of isolated cases of
limited transmission between people in very close contact with each other.
Scientists are unsure how this has occurred, but they have theorized that the
virus may pass from one person to another through droplets sneezed or coughed by
humans into the air or food, onto surfaces or in some combination.
It has been suggested that some people may have a genetic susceptibility to
the disease. In all four family clusters recorded so far, only direct blood
relatives _ not spouses _ have caught bird flu. Bjorge said the sick family
members in Indonesia were in close physical proximity, which included sleeping
close to each other. "Even though so many people were tragically affected in
this cases, it hasn't really changed the picture of avian influenza in Indonesia
at this time," Bjorge said.
A top U.S. health official said Wednesday, however, that the Indonesian
case may be the first time bird flu has been passed in a chain of transmission,
with a person infected by a bird passing the virus to another person, who then
went on to infect a third person or people. Previous clusters all involved only
one jump from person to person. Scientists are still investigating to see how
many possible jumps the virus could have made in Indonesia.
Bird flu has killed 124 people worldwide, more than a quarter of them in
Indonesia. Scientists fear the H5N1 virus will mutate into a highly
contagious form, possibly sparking a global pandemic. So far, most human
cases have been linked to infected birds. WHO said it will leave its pandemic
alert level unchanged at 3, where it has been for months, meaning there is "no
or very limited human-to- human transmission."
WHO prepares defenses
against flu pandemic threat
March 6, 2006 - Washington - Reuters - The global spread of bird flu is
unprecedented and the threat of a human pandemic will not go away, but the world
is not totally defenseless, the
World Health Organization (WHO) said on Monday. Speaking at the
start of a three-day meeting of experts called to sharpen the global response to
any human outbreak, the WHO's top influenza official said the first thing would
be to try to stamp it out before it really took hold.
If that fails, the next move would be to attempt to curtail its spread and
avoid the high death toll and economic devastation that a full-blown pandemic
would bring, said Margaret Chan. "When a notoriously unpredictable virus like
the influenza virus is given unprecedented opportunities, we must be prepared to
see some surprises," she said in opening remarks to the meeting at the WHO
headquarters in Geneva. "But we are not without defenses, if we act collectively
right now," she added.
Some 30 epidemiologists, virologists, and laboratory experts will take part
in the talks, along with health officials from affected countries. The aim is to
further hone the WHO's draft "pandemic containment strategy," which calls for
using quarantines and Swiss firm Roche's antiviral Tamiflu in the front line
against the threat. H5N1 has killed birds in more than 30 countries
stretching from South Korea to France and into Nigeria. It has spread to 15 new
countries in the past month and infected 174 people since 2003, killing 94 of
them.
"Events in recent weeks justify our concern," said Chan. Scientists say
the deadly virus is mutating steadily and may eventually acquire the changes it
needs to be easily transmitted from human to human. Because people lack any
immunity to it, it could sweep the world in a matter of weeks or months, killing
millions and bringing economies to their knees. Even if a pandemic cannot be
stopped, public health interventions such as quarantines might buy time to allow
countries to tighten their control measures, the WHO says.
Bird flu likely in US flocks soon: Health Secretary
By Richard Cowan
March 1, 2006 - WASHINGTON - Reuters - The lethal
avian flu that is spreading rapidly around the world could soon infect wild
birds and domesticated flocks in the United States, U.S. Health and Human
Services Secretary Michael Leavitt said on Wednesday. In testimony to
a congressional panel on his agency's budget for combating a possible avian flu
outbreak among humans, Leavitt told senators that no one knows when or if the
virus will pose a threat to people. But, he said, "it's just a matter of time --
it may be very soon" when wild birds and possibly poultry flocks contract the
disease.
Leavitt said that infection of birds alone in the
United States with the H5N1 virus would not create a public health emergency.
Such an emergency would occur if the disease mutated so that it became easily
transferred from human to human. The H5N1 disease so far has killed 94 people in
seven countries.
Nevertheless, Democrats on the Senate Budget
Committee criticized the Bush administration's preparedness, saying not enough
federal funds were being allocated for vaccine production, stockpiling other
medical supplies, disease detection and community readiness. "It could be the
disaster of our time. Two billion dollars is not enough," North Dakota Sen. Kent
Conrad, the senior Democrat on the committee, told Leavitt. Conrad was referring
the $2.3 billion in additional emergency funds the Bush administration has
requested from Congress. Late last year, Congress approved a first injection of
more than $3 billion in emergency money.
While U.S. poultry flocks have suffered from isolated
cases of highly contagious avian flu, they have not yet been hit by the virulent
H5N1 strain that has killed or led to the culling of about 200 million birds,
mostly in Asia, since late 2003. Recently, the animal disease has been found in
western Europe and worries escalated this week when German authorities said
avian flu may have jumped species and killed a cat.
CONTACT WITH SICK BIRDS
So far, human fatalities have largely been limited to
people who have had close contact with sick birds. Leavitt told the
committee that by the end of this year, the United States will have about 20
million doses of anti-viral drugs, mostly Tamiflu, stockpiled. But the
development of a vaccine is three to five years away, Leavitt said. He
downplayed chances that this timetable could be accelerated significantly and
added that even with vaccine technology, it would take drug companies six months
after the start of a pandemic to produce an effective one.
"In the first six months of a
pandemic we are dependent on basic public health, social distancing; every
business, every school, every church, every county to have a plan," Leavitt
said, adding, "We are overdue (for a pandemic) and under-protected, but we are
moving with dispatch."
Leavitt also was skeptical that the federal
government could provide all localities with the full arsenal of basic medical
equipment, such as ventilators, masks, gauze and gloves, needed during a
pandemic. That surprised Senate Budget Committee Chairman Judd Gregg, a New
Hampshire Republican, who said he had thought the billions of dollars being
spent would cover such stockpiles. Instead, Leavitt put the responsibility of
local preparedness mostly with local officials.
EU Agriculture Ministers
Discuss Bird Flu
February 20, 2006 - AP - The
European Union's agriculture ministers met Monday to discuss ways to
combat bird flu — such as vaccinating poultry — as the lethal H5N1 strain spread
to a half-dozen EU nations. France, the EU's largest poultry producer,
became the latest EU country to confirm H5N1 in wild fowl. Birds in Austria,
Germany, Greece, Italy and Slovenia also have tested positive for the strain.
Hungary also has reported five cases of suspected H5N1 and has sent samples to
an EU reference laboratory for testing. France has said it will vaccinate some
900,000 birds — but there is no specific vaccine to prevent H5N1, only
generic flu drugs. Germany, meanwhile, deployed 250 troops to help clear
away dead birds from Ruegen, an island in the Baltic Sea where 81 dead birds,
mostly swans, have tested positive for H5N1.
Last week, EU governments imposed an EU-wide order to apply a 6 1/2 mile
quarantine and surveillance zone around suspected or confirmed outbreaks of bird
flu and a wider buffer zone to keep the virus from spreading. On Monday,
agriculture ministers discussed further measures, such as vaccinations. However,
EU financial aid is not available for vaccinating poultry as a preventive
measure. Countries only qualify for EU aid after bird flu is found in commercial
stocks and those stocks are killed, officials said. EU officials also discussed
the economic impact of bird flu and debated whether the EU should provide
financial or other relief to businesses affected by the falling poultry prices.
Officials have reassured the public that eating cooked poultry remains
safe. In France, where a wild duck has tested positive for H5N1, French
Health Minister Xavier Bertrand urged consumers to keep eating poultry — and
foie gras. "No farms on our territory are affected" by bird flu, he said on LCI
television. But farmers said consumption has fallen, causing hundreds of
millions of dollars in losses. France's chief farmers' union demanded that the
government free up funds to support poultry producers' efforts to prevent and
fight the flu.
Elsewhere in Europe, bird flu has been confirmed recently in Azerbaijan,
Bulgaria, Croatia, Romania, Russia, Turkey and Ukraine, with Bulgaria announcing
Monday that H5N1 was confirmed in three more swans found dead in Bulgaria.
The EU extended restrictions on imports of poultry and bird products from
Bulgaria. A regional ban also will apply for imports of poultry meat, eggs and
products from wild fowl. Two dead swans found in central Bosnia have tested
positive for an H5 strain of bird flu, and samples were sent to the laboratory
in Britain to determine the exact strain, the country's Veterinarian Institute
said Monday.
The Netherlands, which had a bird flu outbreak in 2003 that sickened dozens
of people and killed one person, ordered millions of chickens, ducks and turkeys
kept indoors to reduce the risk of being infected by migrating birds.
Ninety-one people have died from bird flu, mostly in Asia, since 2003, according
to the
World Health Organization. Direct contact with infected poultry
or surfaces contaminated by their feces is the main way humans are infected by
the virus, WHO said.
Avian Flu in People May Be More
Common Than Thought
|
 |
By Steven Reinberg
HealthDay Reporter
January. 9, 2006 - HealthDay News -- Many more people have been infected
with bird flu than reported, but they've only shown mild symptoms, a new Swedish
study finds. This raises the possibility that the illness may not be as
dangerous as thought, some infectious disease experts suggest. According to
the report, there's a connection between direct contact with dead or sick
poultry and flu infections in humans, and transmission from birds to humans is
probably more common than believed. The finding about contact with sick fowl
seems to confirm new developments in Turkey, where preliminary tests on Sunday
showed that two young brothers and an adult in the capital city of Ankara have
the deadly H5N1 strain of bird flu.
The cases, not yet confirmed by World Health Organization (WHO) officials,
would raise to 15 the number of cases detected in Turkey since Wednesday,
heightening concerns that the virus is spreading across that country. Two of
three teenaged siblings who died of bird flu in the city of Van last week had
been playing catch with the heads of dead chickens, according to published
reports. Those deaths marked the first time the virus has killed humans outside
of East Asia, WHO officials told the Associated Press.
The Swedish study appears in the Jan. 9 issue of the Archives of Internal
Medicine. "Our results are consistent with H5N1 among humans being a lot
more common than has previously been recognized," said study author Dr. Anna
Thorson, of the Division of International Health at the Karolinska Institute, in
Stockholm. "In addition, they suggest that the symptoms of H5N1 in humans most
often are relatively mild, and that close, direct contact with sick or dead
poultry is needed for transmission to humans."
In its study, Thorson's team collected data on 45,478 people in the FilaBavi
area of Vietnam, which has been hard hit by the H5N1 flu virus, from April 1 to
June 30, 2004. The researchers asked people about exposure to poultry and
flu-like illness during the preceding months; individuals with a history of
disease and/or exposure were interviewed in person. "We found a dose-response
relationship between flu-like illness and degree of contact with sick or dead
poultry," Thorson said. "In layman's language, this would read as the closer
the contact with sick or dead poultry, the higher the risk for flu-like
illness."
Thorson's group found that simply having sick or dead poultry in the house
did not significantly increase the risk of flu-like illness; those people only
showed a 14 percent higher risk of flu-like illness compared to someone without
poultry. However, having direct contact with sick or dead poultry raised that
increased risk to 73 percent, Thorson said. The researchers found that between
650 and 750 of the human cases with flu-like illness could be attributed to
direct contact with sick or dead poultry. "Taking into account the type of
symptoms reported from the human cases and the reported ongoing H5N1 epidemic in
poultry in the district, transmission of highly pathogenic avian flu to humans
is the most likely cause of the 650 to 750 cases," Thorson said.
Without blood tests, it's not possible to know for sure if the flu-like
illness reported is actually bird flu, Thorson explained. "However, if
transmission from poultry to humans is more common than what has earlier been
anticipated, as suggested in our study, it may imply an increased risk of viral
re-assortment through infected individuals serving as mixing vessels for highly
pathogenic avian influenza and human influenza," Thorson noted.
One expert is not sure what the finding means in terms of evaluating the
actual danger of avian flu. "There certainly is considerable concern that
relatively asymptomatic infections with H5 or other avian viruses may be
occurring in situations where there is a high level of exposure to sick birds,"
said Dr. John Treanor, a professor of medicine, microbiology and immunology at
the University of Rochester. "After all, only a tiny fraction of all of the
exposed persons goes on to develop recognized H5 influenza. It would seem like
the attack rates should be much higher."
"One possibility might be that the virus is actually very poorly infectious,
and it is only the unfortunate few who are exposed to extremely high levels that
become infected," Treanor said. "The other possibility is that for each
recognized case there are many others that are not recognized." Another expert
sees the finding as proof that the fear of an avian flu outbreak among people
has been exaggerated. "It's exactly what I suspected all along," said Dr. Len
Horovitz, a pulmonary specialist at Lenox Hill Hospital in New York City.
"Basically this illness exists as a very mild cold or flu in thousands, maybe
hundreds of thousands, of people in China, and it's never reported because
they're not sick enough to go to the doctor." Horovitz thinks that since this
flu has been around since 1997, if it were going to become a deadly pandemic it
would have done so already. "It's just like any other flu," he said. "It kills
some vulnerable people, and gives other people a mild illness that goes
unreported." According to the WHO and local governments, six countries have
had 146 confirmed cases of the deadly H5N1 strain of bird flu, with 76
fatalities.
Turkish deaths put Europe on bird flu alert
The Sunday Times
Jonathan Leake and Gareth Jenkins
|
|
 |
|
January 8, 2006 - The Sunday Times - The number of Turkish people
thought to be infected with avian flu rose to more than 50 this weekend,
prompting concern that the disease may be about to spread into Europe.
Yesterday a British laboratory confirmed that a Turkish brother and
sister who died last week had the feared H5N1 strain of avian flu. A
third child from the same family in Dogubayazit, in eastern Turkey, has
now died of avian flu and dozens more suspected cases have emerged. “The
laboratory in the UK said that they have detected H5N1 in samples of the
two fatal cases,” said Maria Cheng, a spokeswoman for the World Health
Organization. They are the first fatalities outside East Asia.
The disease is most likely to have been carried to Turkey by
migratory birds, which have already spread it across Asia and parts of
Russia. Last year a number of birds with the illness were found in
Europe. The fear is that these will cross-infect domestic poultry, which
will pass the disease on to humans. Yesterday six more children who have
tested positive for avian flu remained in a critical condition in the
Turkish city of Van, near Dogubayazit. Another 24 suspected cases are
being treated in a special ward in the university hospital.
A further 18 patients with symptoms of the disease, most of them
children, are being treated in hospitals in the eastern cities of Yozgat,
Erzurum and Diyarbakir. Other cases are being investigated. The more the
virus comes into contact with humans, the more likely it is to mutate
into a form that can be transmitted between people. This has not yet
happened; if it does it could start a global pandemic.
The H5N1 strain has killed half of all the people who have
contracted it. The Spanish flu of 1918, which killed 40m people, was
fatal in fewer than one in 10 cases.
Professor John Oxford, an expert on flu at Queen Mary’s medical
school, London, said the most worrying aspect of the deaths in Turkey
was the large number of human cases resulting from exposure to a small
number of birds. He urged British authorities to follow the Dutch in
ordering farmers to separate poultry from wild birds by keeping them
indoors. Yesterday Mehdi Eker, the Turkish agriculture minister,
confirmed that bird flu had also been identified in two dead ducks found
by a reservoir near Ankara, the capital, about 750 miles west of
Dogubayazit. And Necdet Unuvar, of the Turkish health ministry, said:
“There has also been a large number of suspicious deaths amongst birds
in three other counties in Ankara.”
The finds suggest that the disease is moving rapidly westwards and
that its arrival in western Europe is only a matter of time. Officials
around Dogubayazit warned the government on December 16 of a surge in
bird deaths but it took another 12 days for an investigation to begin.
When Muhammet Ali Kocyigit, 14, became Turkey’s first avian flu victim
last week, a government spokesman criticised doctors for mentioning the
disease because they were “damaging Turkey’s reputation”.
In southeast Asia, more than 70 people have died from H5N1 since 2003
but none has involved human-to-human transmission. A European commission
spokesman said last night: “The latest deaths are a tragedy but, for the
moment, we believe we are doing all we can and that we have in place the
measures we need to guard against the spread of bird flu.”
This weekend Zeki Kocyigit, the father of the three dead children,
said they contracted the disease after the family slaughtered and ate a
sickly chicken. At his two-room house in the poor Kockiran neighbourhood
of Dogubayazit, he said: “When Muhammet Ali was getting worse, everybody
in the hospital was too busy celebrating the new year to pay any
attention. On the evening of January 1, when he began to deteriorate, I
was alone by his bedside. His last words were, ‘Cuddle me, Daddy.’ I did
and I felt him kiss me on my cheek. Then he died.”
|
|
Ted Koppel on Meet The Press
December 25, 2005 (Meet the Press TV Show)
-
"You have to alarm people because until people are sufficiently alarmed or
they're not going to listen to what has to happen. What you don't hear in that
sound bite, and what is rarely spoken of, especially among politicians, is that
the kind of vaccine that would be necessary to treat the avian flu does not
exist. It cannot exist until the strain of avian flu is developed and can be
sampled and can be tested and then and only then can you begin to develop the
vaccine.
In order to develop sufficient quantities of that vaccine to vaccinate people
twice you're going to need so many hundreds of millions of doses that it will
take a minimum of two to three years to get them. In other words, by the time
you get them, it'll be too late to treat the people who get the flu. Obviously,
that raises questions as what needs to be done, what can be done. I tried just
before I left Nightline to do a broadcast in which we brought some of the best
experts on and said "Tell us what we need to know, tell us what we need to do."
Among the things we need to do, and it sounds horrific to say it, is
to put in a decent supply of food and water and whatever medicine is needed by a
family, in each American home, now, before it's too late."
|
World Is Losing Battle to
Combat Bird Flu, UN Says
BLOOMBERG.COM
December 19, 2005 (Bloomberg) -- The world is ``losing the battle''
against avian flu in poultry, increasing the risk the gradually mutating
virus will become more infectious to people and trigger an influenza
pandemic, a United Nations official said.
Outbreaks among birds in Ukraine, Romania and possibly Africa show the
deadly H5N1 avian flu strain is spreading, David Nabarro, the UN's avian flu
coordinator, told Indonesian government officials and reporters today in
Jakarta. Earlier, a health ministry official said an eight-year-old boy, who
died four days ago, may be Indonesia's 11th bird-flu fatality.
``We are losing the battle against this particular'' avian influenza
outbreak in birds, Nabarro said. ``We must focus on stamping it out.''
Human infections from H5N1 have more than doubled this year, prompting
health authorities to warn that more needs to be done to control outbreaks
in poultry, which increase the risk of the virus mutating and causing a
pandemic that may kill millions.
Nabarro was appointed in September by UN Secretary General Kofi Annan to
coordinate UN efforts to fight bird flu and delay the next pandemic. The
H5N1 virus has killed at least 71 people in Asia since 2004. There have been
at least 139 human cases, including 95 this year, according to figures
updated by the World Health Organization on Dec. 16.
``This H5N1 virus is slowly changing though genetic ressortment or
mutation,'' Nabarro said. ``The change is slow, but if this virus undergoes
the change that leads to sustained human-to-human transmission, then we have
a major problem. Then we probably will have the next human pandemic
influenza. This is serious risk.''
|
UN health chief warns over flu
November 7, 2005 - Daily Mail - A deadly new global pandemic of human
influenza is inevitable and suffering will be "incalculable" unless the world is
ready, the chief of the UN health agency has said. "We have been experiencing a
relentless spread of avian flu" among migratory birds and domestic poultry, Lee
Jong-wook, director-general of the World Health Organization, told a
meeting of 600 health experts and planners. Lee stressed that a human flu
pandemic has yet to begin anywhere in the world. "However, the signs are clear
that is coming," he said, noting that a changed avian flu virus caused the
deadly "Spanish" flu pandemic that killed tens of millions of people in
1918-1919.
Already the virulent H5N1 strain of avian flu, which appeared in Hong Kong
in 1997, is killing birds in 15 countries of Europe and Asia, he said. "It is
only a matter of time before an avian flu virus - most likely H5N1 - acquires
the ability to be transmitted from human to human, sparking the outbreak of
human pandemic influenza," Lee said. "This is the time for every country to
prepare their national action plan - and act on it," Lee said.
"If we are unprepared, the next pandemic will cause incalculable human misery
- both directly from the loss of human life, and indirectly through its
widespread impact on security. No society will be exempt. No economy would be
left unscathed." Estimates of the number of people who would die in a new
pandemic have varied widely between 2 million and 360 million, but WHO says a
reasonable maximum would be 7.4 million. The World Bank put the possible
economic cost at a minimum of £450billion.
Asian Report Warns of
Bird-Flu Catastrophe
November 3, 2005 - AP - A flu pandemic could kill 3 million people in
Asia, trigger economic carnage in the region worth almost US$300 billion
(euro248 billion) and push the world into a recession, the Asian Development
Bank warned Thursday.
The warning was among several dire scenarios pictured by the bank in a report
that examined the likely effects on the region if bird flu produces a human
pandemic that slashes consumer demand and sickens millions of workers.
In its grimmest scenario, in which the psychological impact of a pandemic
lasts one year, the bank said Asia could loss almost US$282.7 billion (euro235.6
billion) — or 6.5 percent of gross domestic product — in consumption, trade
and investment and another US$14.2 billion (euro11.8 billion) due to workers'
incapacity and death.
"... Growth in Asia would virtually stop," the report said. The
economic impact would likely force the world into a recession, it said. The
scenario assumes about 20 percent of Asia's population would fall ill, and 0.5
percent of them would die. ...The reports came as governments stepped up
cooperation to prepare a global response to the risk that the bird flu virus
that has swept through Asia and entered Europe could mutate into a form
transmissible between people and produce a pandemic that could kill millions.
U. S. Could Restrict
Travel to Prevent Flu

November 2, 2005 - AP -
Sustained person-to-person spread of the bird flu or any other
super-influenza strain anywhere in the world could prompt the United States to
implement travel restrictions or other steps to block a brewing pandemic, say
federal plans released Wednesday. If a super-flu begins spreading here, states
and cities will have to ration scarce medications and triage panicked patients
to prevent them from overwhelming hospitals and spreading infection inside
emergency rooms, the plan says.
It provides long-awaited guidance to the front-line local officials urging
them to figure out now how they would take steps to prevent such a crisis
scenario and exhorts officials to practice their own plans to make sure they'll
work. Pandemics, or worldwide outbreaks, strike when the easy-to-mutate
influenza virus shifts to a strain that people have never experienced before,
something that happened three times in the last century. ...but a bad one could
infect up to a third of the population and, depending on its virulence, kill
anywhere from 209,000 to 1.9 million Americans, the Bush administration's new
Pandemic Influenza Plan says. The illness would spread fastest among
school-aged children, infecting about 40 percent of them, and decline with
age, the plan estimates. It puts the health costs alone, not counting disruption
to the economy, at $181 billion for even a moderately bad pandemic.
It's also impossible to predict when the next pandemic will strike. But
concern is rising that the Asian bird flu, called the H5N1 strain, might trigger
the next one if it eventually becomes easily spread from person-to-person.
...President Bush on Tuesday outlined a $7.1 billion
strategy to get ready for the next pandemic. Topping his list is improving
systems to detect and contain the next super-flu before it reaches the United
States and overhauling the vaccine industry so that eventually, scientists could
quickly make enough for everyone within months of a pandemic's appearance. That
vaccine improvement will take years to implement and the details released
Wednesday by the
Department of Health and Human Services stress that early on, the
public will be depending on scarce supplies of anti-flu drugs and stockpiled
vaccines.
Bush
Proposes $7.1 Billion Plan to Guard U.S. Against Bird Flu

November 1, 2005 - Bloomberg -- President George W. Bush today announced a $7.1
billion plan to help prepare the U.S. for a potential epidemic of avian
influenza as the virus sweeps through birds in Asia and threatens Europe,
Health and Human Service Secretary Michael Leavitt said. ...``We're not as well prepared today as we want to be,'' Leavitt said today
on CNN. `... A moderate to severe
outbreak in the U.S. may kill as many as 500,000 Americans and sicken 2
million, according to the Trust for America's Health. At least 62 people have died of
bird flu in Asia, according to the World Health Organization. ...The strain
of flu causing concern, known as H5N1, erupted in Southeast Asia, where more
than 140 million birds have died or been destroyed. So far, 121 people have
been infected through birds. ...
All the flu vaccine plants in the world can make about 450 million shots
in six months of production, according to Anthony Fauci, director of the
National Institute of Allergy and Infectious Diseases. That would protect
less than 10 percent of the world's population. Roche last week said it had
temporarily suspended sales of Tamiflu in countries including the U.S.,
Canada, Germany and Switzerland to fill government contracts and ensure
availability at the start of the traditional flu season. Roche said each
country unit is deciding whether to take the action based on supply. U.S.
drug stores filled more than 221,000 prescriptions for Tamiflu during the 10
weeks ended Oct. 21, more than five times the year-earlier total of almost
41,000, according to data released Oct. 26 by Verispan LLC, a research
company in Yardley, Pennsylvania. |
Bird flu is a global threat requiring
international cooperation, European Union declares
HEALTH NEWS
18 Oct 2005 - Health News -
As the more virulent H5N1 strain of bird flu enters Europe via Romania and
possibly Greece as well, the European Union is now talking about a global
threat.
Markos Kyprianou, EU Health Commissioner, reminded Europeans that the arrival
of bird flu in Europe does not mean the flu pandemic is here. The risk of a
human catching bird flu is still very small, he said. He said the European Union
will prepare properly for a possible flu pandemic. Many European countries do not have the required stocks of antiviral drugs to
cover 25% of their population. Some have, the United Kingdom has enough to cover
over 30% of its population.
The European Union is working with pharmaceutical companies to find a way of
significantly increasing the number of people who will be vaccinated against
normal flu this autumn (fall). Both are finding ways of building up
manufacturing capacity, said EU Kyprianou. He admitted that the level of
vaccination preparedness was lower than they had wished.
If as many people as possible are vaccinated against normal flu, the chances of
the bird flu virus mutating are lessened. The most likely way the bird flu
virus may mutate is by infecting a person who has the flu - the two types of
viruses (normal flu and bird flu) would then have the chance to exchange genes
and create a new strain. This new strain could be a mutation of the dangerous
H5N1 bird flu virus which could then spread from human-to-human, this would be
the birth a new flu pandemic - a very dangerous one for all of us on this
planet.
The present bird flu virus strains can only be passed easily from bird to
human - a mutated strain would easily pass from human to human. It is true that
humans can catch bird flu from another human, but not easily, a lot of contact
is needed - as with the case of some health professionals in South East Asia who
were caring for a patient infected with bird flu. However, they did not then go
on to infect other humans.
Written by: Christian Nordqvist;
Editor: Medical News Today
Bird flu vaccine could take months: UN
October 11, 2005 -
"We do not know what the genetic makeup of the eventual mutant virus will be,
therefore we cannot be sure that existing vaccines that have been stored up will
be effective," he
[David Nabarro, U.N. coordinator for global readiness]
said.
Drug firms could take six months to manufacture adequate stocks of bird flu
vaccine, far too long to stem damaging fallout if the virus triggers a human
pandemic,
a top
United Nations
official said on Tuesday. David Nabarro, U.N. coordinator for global readiness
against an outbreak, said current stockpiling by governments around the world
may prove useless since they are preparing for an unknown mutation of the virus.
He said "very high priority" efforts were underway to raise manufacturing
capacity so that a vaccine could be produced more quickly once a virus with
pandemic potential manifested itself.
"The general view in a pandemic situation is that we need to have vaccines much
more quickly than six months because of the speed at which the pandemic can take
hold and start to affect the functioning of society and cause suffering." The
H5N1 bird flu virus has killed at least 65 people in four Asian nations since
late 2003, and has killed or forced the destruction of tens of millions of
poultry. Experts say it is mutating steadily and fear it will eventually acquire
the changes it needs to spread easily from person to person. If it did, it could
sweep around the world in months or even weeks and could kill millions of
people.
Asked by reporters if vaccine stockpiling was futile, Nabarro said: "I would not
identify any preparatory activity being taken by governments at the moment as
wasteful. "What we're talking about here is very difficult choices being made by
governments in a situation of uncertainty." The U.N. expert said that although
an eventual flu pandemic seemed inevitable, strong, coordinated and well-funded
prevention efforts could stop the H5N1 virus from creating a widespread human
outbreak.
He pointed to the U.N. Food and Agricultural Organization's call for funds for a
$175 million prevention effort. Only around $30 million had been pledged, an FAO
official said. "There will one day be a human influenza pandemic. It will not
necessarily result from this current strain of avian influenza H5N1," said
Nabarro. "If we act to control H5N1 well, then we can have a very good chance of
preventing a pandemic resulting from H5N1. It is in our hands to make this
happen."
U.S. Health Secretary Warns of Flu Epidemic

October 10, 2005 -
The likelihood of a human flu pandemic is very high, U.S. Health and Human
Services Secretary Michael Leavitt warned Monday [October 10,
2005] as he sought Southeast Asian cooperation to combat the spread of bird flu.
Leavitt and the director of the
World Health Organization are touring
Thailand, Laos, Cambodia and Vietnam to seek their collaboration in preparing
for the anticipated public health emergency linked to the H5N1 strain of the
disease.
That strain [H5N1] has swept
through poultry populations in many parts of Asia since 2003 and jumped to
humans, killing 65 people, mostly through direct contact with sick fowl.
While there have been no known cases of person-to-person transmission, World
Health Organization officials and other experts have been warning that the virus
could mutate into a form that spreads easily among people. In a worst-case
scenario, millions could die.
Three influenza pandemics have
occurred over the last century and "the likelihood of another is very high, some
say even certain," Leavitt said
after meeting with Thai health officials to review the their preparations.
"Whether or not H5N1 is the virus that will ultimately trigger such a pandemic
is unknown to us," he said at a news conference. "The probability is uncertain.
But the warning signs are troubling. Hence we are responding in a robust way."
Leavitt's
tour comes after
President Bush last month established
the "International Partnership on Avian and Pandemic Influenza" to coordinate a
global strategy against bird flu and other types of influenza. Leavitt said
"containment" was the first line of defense against the illness, encouraging
countries to step up development and production of vaccines and strengthen
efforts to detect any cases of human transmission early. World Heath
Organization Director General Dr. Lee Jong-wook said preparation was the key to
preventing a flu epidemic such as the one that struck in 1918, killing an
estimated 40 million to 50 million people.
"Now we know
in advance what is happening and we have to prepare ourselves.
That is our
duty," he said.
| Report:
Bird Flu Pandemic Could Cause Chaos in US
HEALTH NEWS
09 October, 2005 - United States Unprepared for a
Global Flu Pandemic
The United States is unprepared for a global
flu pandemic, according to a draft of a federal report, which predicts a
worst-case scenario that could lead to the deaths of 1.9 million
Americans and the hospitalization of 8.5 million more people with costs
exceeding $450 billion. The report,
obtained by The New York Times, says a large flu outbreak that began in
Asia would probably hit the United States within "a few months or even
weeks" due to the ease of modern travel, the newspaper reported
Saturday. If a pandemic, which is a global outbreak of a deadly flu
strain, were to occur, US hospitals would be overwhelmed, riots would
strike vaccination clinics, and even power and food supplies might be
disrupted, according to the plan, the Times reported.
Pandemic Long Overdue
The report, which is 381 pages long, recommends quarantines and
travel restrictions but admits such steps "are unlikely to delay
introduction of pandemic disease into the US by more than a month or
two," the newspaper said. The report also calls for domestic production
of flu vaccine of 600 million doses within six months -- more than 10
times the current capacity, the newspaper said. The plan also suggests
certain steps that state and local governments should take now to
prepare for a pandemic, which health experts warn is long overdue. Those
steps include creating legal documents that would allow for quarantines,
the Times said.
A spokeswoman for US
Health and Human Services Secretary Michael O. Leavitt told the
newspaper that the plan given to the Times was a draft and not a final
document. "We recognize that the HHS plan will be a foundation for a
government-wide plan, and that process has already begun," Christina
Pearson said. Pearson added that Leavitt has already met with other
cabinet secretaries to begin coordinating a federal response to a
pandemic, the newspaper said.
Prepare for Worst-Case Scenario
World and US health officials have been warning for months that the
bird flu strain sweeping through Asia could trigger the next pandemic.
However, some scientists are saying that, while the current strain of
bird flu poses potential health risks, it's not likely to unleash a
pandemic in the immediate future. Dr. Anthony S. Fauci, director of the
National Institute of Allergy and Infectious Diseases, told the Sunday
Times that a bird flu pandemic was not likely for the coming flu season.
"How unlikely, I can't quantitate it," Fauci said. But, "you must
prepare for the worst-case scenario. To do anything less would be
irresponsible," he added. Dr. Jeffery Taubenberger, chief of the
molecular pathology department at the Armed Forces Institute of
Pathology, in Washington, DC, told the paper: "I would not say it's (a
bird flu epidemic) imminent or inevitable. I think in the future there
will be a pandemic." But, he continued, whether that pandemic will be
bird flu or another type of flu is impossible to predict at this point. |
|
Drugs no answer to bird flu: experts

October 10, 2005 - Many
governments around the world are stockpiling antiviral drugs and some companies
are trying to speed up vaccine production but these measure give a false sense
of security and will do little to counter a flu pandemic, an expert cautioned on
Monday.
Michael Osterholm, an infectious
disease expert who has been studying the risk of pandemic flu for decades and is
a U.S. government adviser, said governments should be preparing to cope with the
pandemic instead of relying entirely on the hope of using vaccines and drugs to
control it.
If the H5N1 avian flu begins to easily infect humans, it will move too quickly
for drugs and vaccines to be of much use, Osterholm said. "It doesn't matter if
we have a vaccine now or not. We can't make it," Osterholm said in a telephone
interview. The H5N1 bird flu virus has killed at least 65 people in four Asian
nations since late 2003, and has killed or forced the destruction of tens of
millions of poultry. Experts
say it is mutating steadily and fear it will eventually acquire the changes it
needs to spread easily from person to person.
If it does, it will sweep around the world in months or even weeks and could
kill millions of people -- as many as 150 million, according to the most dire
forecast by the
World Health Organization.
When avian flu infects people it looks like any other flu with respiratory
symptoms, fever and other common effects but it will kill many more than the
500,000 people who die of ordinary flu each year around the world. People have
known about the risk of an influenza pandemic for a very long time, said
Osterholm, an infectious disease specialist at the University of Minnesota who
advises the federal government on such issues.
"We have had a pandemic flu plan as a planning process since 1976," said
Osterholm. "Nobody has completed it. It been one of the most long-standing
incompleted processes in Washington. Nobody wants to believe that modern medical
science can't handle something." But it cannot, said Osterholm, who has seen the
current U.S. flu plan. The plan has not been published yet but leaked versions
suggest the country has done little to prepare for an H5N1 pandemic. Osterholm
and other experts have long been complaining that there are not sufficient
hospital beds, equipment or trained workers to cope with a major epidemic. "The
one thing I worry desperately about it is the impact of over-reliance on
neuraminidase inhibitors," he said.
There are
two drugs in the class -- Roche and Gilead's Tamiflu, known generically as
oseltamivir, and GlaxoSmithKline's Relenza. They work to reduce the severity of
annual influenza and may prevent infection if used at the right time.
Tests suggest they also work against H5N1, but no one knows how well.
"I think
that potentially neuraminidase inhibitors may work if you are already on them as
prophylaxis (prevention)," Osterholm said. That would mean taking them daily for
days or weeks.
" That
means that very, very limited supply is going to become a lot more limited."
FIGHTING OVER SCARCE SUPPLIES
The
United States has enough courses of Tamiflu to treat about 2.3 million people.
The Health and Human Services Department says another 2 million treatment
courses are on order and will arrive by the end of the year. But some 90 million
people would need the drug in the event of a flu pandemic,
University of Virginia flu expert Dr. Frederick Hayden told a meeting on
Saturday. At current capacity, it would take about 10 years to produce enough
oseltamivir to treat 20 percent of the world's population, Hayden said. "Now
people are saying whoever has the most Tamiflu wins," Osterholm said. "I worry
so much that Tamiflu is a surrogate for protection."
And vaccines are not an answer yet and will not be for years.
There is
an experimental vaccine against H5N1 but there are only a few thousand doses of
it.
It takes months to make influenza vaccine and H5N1 kills chickens -- the source
of the eggs that are needed under current old-fashioned production methods to
make flu vaccines. Companies are trying to develop more modern methods but are
years away from doing so. And work
cannot begin on a true vaccine against H5N1 until it actually starts infecting
many people, because the vaccine must match the virus precisely and no one can
predict just how H5N1 will mutate.
And it is mutating.
A study
published last week showed that the H1N1 virus that caused the 1918 flu
pandemic, which killed at least 40 million people globally
and may have killed more,
depending on estimates, was a
purely avian virus that acquired a few mutations that gave it the ability to
infect people easily, spread among them and cause highly fatal disease. H5N1 is
mutating in a similar way and experts believe it is only a matter of time before
it, too, infects people easily.
Health Experts Say Strengthening Your Immune System is Your
Primary Protection Against Influenza Viruses
-
Dr. James F. Balch, M.D. and Phyllis A. Balch, C.N.C. in their
best seller, “Prescription for Nutritional Healing” state, “If an adult gets
colds often, it may be a sign that his or her immune system is not working
properly. …Antibiotics are useless against viral illnesses like influenza.
The best way to get rid of the flu or any other
infectious illness is to attack it head-on by strengthening the immune
system.”
-
Michael Murray, N.D. in his “Encyclopedia of Natural Medicine” tells his
readers, “Maintaining a healthy immune system is the primary way to
protect yourself against getting an excessive number of colds.”
-
Gary Null, Ph.D.
in “The Complete Encyclopedia of Natural Healing” sums it up by saying,
“Individuals with weak immune systems seem to catch every new bug around and
to stay ill longer, while those with strong defenses remain healthy.”
-
Bill Gottlieb in "Alternative
Cures" quotes Dr. Peter Holyk, M.D., Director of the Contemporary Health
Clinic in Sebastian, Florida, " 'With alternative home remedies, I believe
that you can knock out the flu in less than 24 hours."' says Dr. Holyk...The
reason you can beat the flu with natural medicine is that these remedies help
boost the power of your immune system, allowing it to quickly ...beat the
infection that's beating on you."
-
William Kellas, Ph.D. in
"Surviving the Toxic Crisis" in the section on "Treatments" for viruses
states, "The most effective measures for both prevention and cure are any
ways in which immune system function is enhanced. Stronger and more
numerous antibodies will then mount an attack on the viruses."
-
Lorna R. Vanderhaeghe and
Patrick J.D. Bouic, Ph.D. in "The Immune System Cure" explain about viruses,
including influenza, "Viruses live in the fluid-filled interior of cells and
interact with and use many components of the cell. ...Although it makes
it more difficult to seek and destroy viruses because of this
adaptation, fortunately the immune system has circumvented these
problems. ...Cytoxic T-cells are enlisted to respond to virus-infected
cells in order to kill the infected cell. ...Potent cytokines,
gamma-interferon and tumor necrosis [killing] factor are also released
to inhibit viral replication and bring other immune warriors such as
macrophages to destroy the cell."
Viral Infection Research
- Viral Diseases:
Browder IW., Williams D., Pretus H., et al; “Beneficial Effect of Enhanced
Macrophage Function in the Trauma Patients.” Ann. Surg.; Vol 211:
605-613. Dept of Surg and Physiol, Tulane U Sch of Med, LA and Istituto Di
Chirurgia D’Urgenza, U of Torino, Torino, Italy.* 1990.
Quote:
“Previous studies have demonstrated that glucan, a beta-1,3-linked
glucopyranose polymer, isolated from the inner cell wall of Saccharomyces
cerevisiae, is a potent macrophage stimulant and is beneficial in the therapy
of experimental bacterial, viral, and fungal diseases.“
- Viral Infections:
Jamas S, Easson D, Ostroff G: "Underivatilized aqueous soluble beta (1,3)
glucan, composition and method of making same." U.S. Patent Application
20020032170, March 14, 2002. Quote:
"The use of soluble and insoluble
beta glucans alone or as vaccine adjuvants for viral and
bacterial antigens has been shown in animal models to markedly increase
resistance to a variety of bacterial, fungal, protozoan and viral
infections."
- Viral Infections: Czop,
Joyce K., “The Role of Beta.-Glucan Receptors on Blood and Tissue
Leukocytes in Phagocytosis and Metabolic Activation”. Pathology and
Immunopathology Research; 5:286-296. Harvard Medical School. 1986.
Quote:
“…the presence of a particulate activator can
rapidly initiate assembly and amplification of a host defense system involving
humoral and cellular interactions with B-glucans. …Animals pretreated with
purified glucan particles are subsequently more resistant to bacterial, viral,
fungal, and protozoan challenge, reject antigenically incompatible grafts more
rapidly and produce higher titers of serum antibodies to specific antigens.”
- Viral Infection:
DiLuzio N.R.,”Immunopharmacology of glucan: a broad spectrum enhancer of
host defense mechanisms,” Trends in Pharmacol. SCI., 4:344-347.
Dept of Physiology, Tulane U, New Orleans, LA.* 1983.
Quote:
“The broad spectrum of immunopharmacological
activities of glucan includes not only the modification of certain bacterial,
fungal, viral and parasitic infections, but also inhibition of tumor growth.”
- Viral Pathogens: Hunter K,
Gault R, Jordan F; “Mode of Action of B-Glucan
Immunopotentiators-Research Summary Release,”
Department of Microbiology, University of Nevada School of Medicine, Jan 2001.
Quote: “MG
Glucan [micronized glucan insoluble particulate] has been shown to
enhance the envelopment and digestion (phagocytosis) of pathogenic
microorganisms [viral, bacterial, fungal, etc.] that cause infectious
disease…Laboratory studies have revealed the new MG Glucan is significantly
effective at activating Macrophages, and via the Macrophages, the entire
immune cascade including T-Cells and B-Cells.”
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