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Treat Influenza and Avian Bird Flu
Virus
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 Tamiflu
is a medicine to treat INFLUENZA - the flu. Tamiflu attacks the flu at
its source and stops it from spreading in the body. Purchase
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Tamiflu
is for treating adults with the flu whose flu symptoms
started within the last day or two.
OSELTAMIVIR - ORAL (oss-el-TAM-eh-veer)
COMMON BRAND NAME(S): Tamiflu
Tamiflu Treats Influenza and the Avian Flu
For patients taking oseltamivir for treatment of the flu: This medicine
works best if taken within 2 days of having flu symptoms (weakness,
headache, fever, cough, and sore throat). Oseltamivir capsules may be
taken with meals or on an empty stomach. Taking oseltamivir with food
may lessen the possibility of stomach upset. This medicine should be
taken for 5 days. Continue taking this medicine for the full time of
treatment even if you begin to feel better after a few days. This will
help to clear up your infection completely. If you stop taking this
medicine too soon, your symptoms may return.
For patients taking oseltamivir for prevention of the flu after
exposure: The medicine should be taken within 2 days of being exposed to
the flu. Oseltamivir capsules may be taken with meals or on an empty
stomach. Taking oseltamivir with food may lessen the possibility of
stomach upset. This medicine should be taken for at least 10 days.
Centers For Disease Control
 Avian
Influenza(Bird Flu) is an infection caused by viruses associated
primarily with birds. This type of flu is extremely contagious for
birds, including domestic chickens, ducks, and turkeys. The spread of
the virus can cause illness and/or death amongst this particular group.
According to the Center for Disease Control (CDC), there is more than
one type of avian flu. A few have already been identified in birds in
the United States and Canada, but it is not the same strain currently
causing world-wide concern. In the United States, specifically Delaware,
Maryland, New York, Pennsylvania, and Texas, there were occurrences that
took place between November 2003 and March 2004. In each case, except
for a single incident that took place in New York, the cause of the low
risk Avian Flu strain was attributed to chickens.
Although Avian Influenza A viruses do not usually infect people, there
have been instances involving humans reported since 1997, including a
patient that was thought to have one subtype of influenza A, in New York
in 2003. No source was identified, and the patient was released from the
hospital after a few weeks, without complication.
Most cases of Avian Influenza infection in humans are believed to be
linked directly to contact with the infected poultry, or the
contaminated surfaces from which infected poultry was placed. However,
because there is more than one strain or subtype of the virus, low and
high pathogenic risks may produce entirely different outcomes in the
future. Influenza A viruses are ever changing, and could over time
mutate to form which could eventually spread easily among humans.
CDC puts genetic sequences of
bird ’flu viruses into public domain
 Scientists
at the U.S. Centers for Disease Control have placed the
genetic blueprints of about 40 H5N1 viruses isolated
from human bird ’flu cases in Indonesia into one public
access database.
They will log the huge new collection into another
database as well, the director of the agency’s influenza
division said yesterday.
The move to put the data in the public domain, giving
scientists from around the world free access, came after
the Indonesian government told the World Health
Organization on Thursday that it was willing to share
the genetic sequences of all H5N1 viruses isolated from
humans there.
“We feel this is a public health problem of global
proportion and that therefore it is in the best interest
of global public health to have the data available for
as many creative minds and well-trained minds as
possible,” Dr. Nancy Cox, director of the CDC’s
influenza division, said in an interview with The
Canadian Press.
The data show that the viruses that have infected people
in Indonesia were sensitive to the ’flu drug oseltamivir
(sold as Tamiflu), but that resistance to another class
of ’flu drugs may be increasing in that country.
Cox said she hoped the Indonesian decision would create
a domino effect, spurring other countries to agree to
share the genetic sequences of H5N1 viruses they have
collected.
She didn’t name names. But the government of Turkey has
never agreed to share the genetic codes of viruses from
an outbreak in January. And China has been criticized in
the past for sharing only a few of its isolates, and
slowly at that.
“It’s a very positive step on the part of the Indonesian
government and ministry of health. And I hope that other
countries will follow suit,” Cox said.
One of the things scientists will see by studying the
Indonesian sequence data is that a number of viruses
showed resistance to the antiviral drugs known as the
adamantanes—amantadine and rimantadine.
These older, generic drugs are substantially cheaper
than Tamiflu and Relenza, the newer class of ’flu drugs
called neuraminidase inhibitors.
While H5N1 viruses circulating in some other countries,
like China, have shown resistance to the adamantane
drugs for some time, Indonesian viruses have generally
been vulnerable to the drugs.
But CDC scientists saw a number of adamantane-resistant
viruses, and there may be a trend emerging, Cox said.
“It’s hard to say, really. But I would say that among
the most recent viruses we’ve seen, a greater proportion
were resistant,” she noted.
--Courtesy of fftimes.com
CDC outlines bird flu
pandemic likelihood
The U.S. Centers for Disease Control and Prevention says
it has decided the likelihood of an avian-flu virus
pandemic is less than previously thought.
CDC scientists reached the conclusion after conducting a
simulation of one of the two main ways the H5N1 virus
might follow in adapting to humans. In that simulation
the virus did not create a lethal version that could
infect humans, The Wall Street Journal reported.
But scientists cautioned a pandemic might still occur
with the avian flu virus evolving in a different manner.
The Atlanta-headquartered CDC experiment involved mixing
the bird flu virus with a common human influenza virus.
In an alternative transformation, the H5N1 virus might
genetically mutate on its own, as it`s believed an avian
flu virus did to cause the 1918 influenza pandemic that
killed millions of people around the world, the Journal
said.
CDC Director Julie Gerberding warned the experiment
doesn`t mean there`s no danger of a pandemic. 'These
data do not mean that H5N1 cannot convert to become
transmissible,' she said, only that 'it is probably not
a simple process.'
The CDC experiment is reported in the Proceedings of the
National Academy of Sciences.
--Courtesy monstersandcritics.com
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