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In November 2013, the U.S. Food and Drug Administration (FDA) approved an experimental H5N1 bird flu vaccine to be held in stockpiles. [22] [23] In a clinical trial including 3,400 adults, 91% of people age 18–64 and 74% of people age 65 or older formed an immune response sufficient to provide protection. Reported adverse effects were ...
Avian influenza, also known as avian flu or bird flu, is a disease caused by the influenza A virus, which primarily affects birds but can sometimes affect mammals including humans. [1] Wild aquatic birds are the primary host of the influenza A virus, which is enzootic (continually present) in many bird populations.
H5N1 is a subtype of the Influenza A virus, the viruses responsible for influenza in humans and many other animal species. [1] A bird-adapted strain of H5N1, called HPAI A(H5N1) for "highly pathogenic avian influenza virus of type A of subtype H5N1", is the causative agent of H5N1 flu.
Bird flu, a.k.a. H5N1, has dominated headlines in the U.S. for months.But while this illness is known worldwide for having a high mortality rate, the vast majority of infections in America have ...
Bird flu could merge with seasonal flu to make mutated virus that could spread among humans, CDC warns Almost a dozen people have tested positive for bird flu . What to know about H5N1 disease ...
About 70 bird flu infections have been confirmed in people in the US since March 2024, and an older person in Louisiana died last year. The US Centers for Disease Control and Prevention, however ...
Targets of anti-influenza agents that are licensed or under investigation. Vaccines and drugs are available for the prophylaxis and treatment of influenza virus infections. Vaccines are composed of either inactivated or live attenuated virions of the H1N1 and H3N2 human influenza A viruses, as well as those of influenza B viruses.
Influenza A virus subtype H5N1 (A/H5N1) is a subtype of the influenza A virus, which causes the disease avian influenza (often referred to as "bird flu"). It is enzootic (maintained in the population) in many bird populations, and also panzootic (affecting animals of many species over a wide area). [ 1 ]