Bird flu has been detected in a variety of bird populations since January 2022.
January 01, 2022
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temporal
Surveillance timeline for avian influenza detections
Avian influenza viruses can infect both birds and mammals, including pigs, cattle, and cats.
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epidemiology
Host range of avian influenza viruses
The distinction between influenza A subtypes H5N5 and H5N1 involves a viral protein that helps release the virus from an infected cell and promotes spread to surrounding cells.
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biological
Molecular difference between two H5 subtype viruses
People can become infected with avian influenza through close contact with infected animals, which places farm workers at higher risk of infection.
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epidemiological
Typical transmission route and occupational risk for avian influenza