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Bird Flu
Warnings of the Asian bird flu, the newest
strain of the flu, first appeared in areas around Hong Kong, Thailand and Vietnam in the late
90's.
The H5N1
virus is a type of avian influenza virus. It is called that because the disease is primarily
found in birds. Poultry - chicken, ducks, geese and other birds that are part of our diet
- can be infected with the virus.
Scientists
believed it was impossible for humans to catch the Avian bird
flu, but the flu virus is very good at adapting to infect
new hosts. Then a small outbreak in Hong Kong in 1997 announced
that the Avian Influenza A virus had made the necessary changes
to infect humans.
So far,
the disease has been spread from infected poultry to humans
and there does not seem to be a big threat of humans passing
it on to other humans, but that can change if the virus changes.
There
have also been reports of the flu in pigs and other domestic
animals. In China, millions of chickens, ducks and other
birds already have been slaughtered and burned to prevent
the infection from spreading.
Symptoms
of the avian influenza virus in humans are typical of any flu. Some people have a fever with
a cough, a sore throat and muscle aches associated with a bout of the flu. Eye infections
and pneumonia are also common complications. In the most severe cases there may be extremely
high fevers, acute respiratory distress - difficulty breathing - and other life threatening
complications.
The worst
cases reported so far are in people who contracted the flu
from birds. Those who may have gotten it from other people
seem to have milder symptoms. The current fear is that a combination
human and bird flu will arise as a totally new strain and
overwhelm government attempts to combat it.
Asian
Bird Flu or Avian Influenza is the just the latest mutation.
According
to the Center for Disease Control (CDC) in the USA, there
were three Flu pandemics in the 20th century and all spread
worldwide within 1 year of being detected. In
1918-19 the "Spanish
flu," caused the highest number of known flu deaths:
more than 500,000 people died in the United States, and 20
million to 50 million people may have died worldwide.
The "Asian
flu" epidemic in the United States in 1957-58 caused
about 70,000 deaths in the United States. First identified
in China in late February 1957, the Asian flu spread to the
United States by June 1957. Then again in 1968 and 1969 the
"Hong Kong flu,", caused approximately 34,000 deaths
in the United States.
Vaccines
for bird flu are in the testing phase. A traditional flu medication,
Tamiflu,
also has proven an effective treatment in the past. However,
shortages of the medication already have been reported as
worldwide demand outstrips supply, and Tamiflu-resistant H5N1
strains have already appeared in Japan and Vietnam.. Scientists
are now pointing to Relenza,
a powerful antiviral that shows greater promise in injectable
form.
Although
the number of humans who have been infected are relatively
few so far, what concerns scientists now is how virulent this
strain has become, and how prepared governments might be to
effectively fight a possible worldwide pandemic.
USA
- Centers for Disease Control and Prevention - Avian Influenza
- Featuring everyting From the most basic questions through
the most common symptoms, alerts and information for health
professionals. The focus is on US resources, but the up-to-date
information on research and treatments is valid across borders.
They also provide links to other quality sites for additional
information and updates.
Daily
Bird Flu News Updates from The Poultry Site - A news
feed from many international media sources provided by a poultry
industry portal, with updates on the newest daily info on
the bird flu, outbreaks, treatments and vaccines.
Avian
Flu - Bird Flu - BUPA (The British United Provident
Association) reports on the causes and possible treatments
of the chicken flu, and a good source of basic information.
Travel advice and advisories as well as links to other sites
are provided for those who want deeper coverage.
Is
Asian Bird Flu the Next Pandemic? - National Geographic
Magazine article does a good job with background and possible
threats of the "Chicken Flu". Links to other stories
on related topics offer good, solid information with a focus
on getting the facts and not the typical alarmist media hype.
Bush
outlines $7.1 billion flu pandemic strategy - MSNBC
report on the current state of the Asian Avian Influenza outbreak
and U.S. preparedness. Includes in-depth coverage, related
video and interactive tutorial.
Bird
Flu Full Coverage on Yahoo! News - Complete round-up
of late breaking news, photos, video reports and audio clips,
feature articles on current states of preparedness, local
outbreaks.
Bird
Flu In Depth
- From the BBC, with all the latest news, background facts
and information, interactive features, slide shows and pictures.
also see
related feature -> Natural
Cold & Flu Fighters
This
information is intended as reference and not as medical advice.
All treatment decisions should be made by medical professionals.
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