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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 ]
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. HPAI A(H5N1) is considered an avian disease, although there is some evidence of limited human-to-human transmission of the virus. [2]
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.
Bird flu swept through the duck houses like wildfire. On February 4, the first day of the outbreak, 800 ducks died. ... But she says they’re forgetting lessons from the Covid-19 pandemic about ...
Bird flu has been killing birds for decades. It began in February of 2022 when the U.S. Department of Agriculture detected the strain on a midwest poultry farm. "A finding of highly pathogenic ...
The first outbreak of H5N9 bird flu was reported in poultry on a duck farm in California (AP) Authorities also detected the more common H5N1 strain on the same farm. Nearly 119,000 birds there had ...
As of the July 25, 2008 FAO Avian Influenza Disease Emergency Situation Update, H5N1 pathogenicity is continuing to gradually rise in wild birds in endemic areas but the avian influenza disease situation in farmed birds is being held in check by vaccination. Eleven outbreaks of H5N1 were reported worldwide in June 2008 in five countries (China ...
A new strain of bird flu has infected a dairy worker in Nevada, marking the first cow-spread case, the CDC has reported. Jacob Glanville of Centivax addressed the public risk.