3 days ago · H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with several recent human cases in U.S. dairy and poultry workers. While …

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 …

3 days ago · “H5N1 now presents an existential threat to the world’s biodiversity." 'A nightmare' For the poultry industry, it's been a nightmare. Bird flu has wiped out entire flocks of egg-laying …

5 days ago · "The H5N1 virus is widely circulating across North America, and these viruses can reassort in species that are susceptible to influenza viruses," said S. Mark Tompkins, director …

Nov 7, 2024 · HPAI A (H5N1) virus infection has been reported in wild mammals such as foxes, bears, seals, and sea lions, and in domesticated animals, including pets such as cats and …

H5N1 influenza virus infection can cause a range of diseases in humans, from mild to severe and in some cases, it can even be fatal. Symptoms reported have primarily been respiratory, but …

Jul 26, 2024 · CDC provides an update on its response activities related to the multistate outbreak of avian influenza A (H5N1) virus, or "H5N1 bird flu," in dairy cows and other animals in the …

Avian influenza A (H5N1) is a subtype of influenza virus that infects birds and mammals, including humans in rare instances. The goose/Guangdong-lineage of H5N1 avian influenza viruses first …

Dec 21, 2024 · The CDC determined the person was likely exposed to H5N1 from sick or dead birds in a backyard flock – the first time a U.S. case has been linked to a backyard flock.

Dec 31, 2024 · Highly pathogenic avian influenza A (H5N1) viruses have caused widespread infections in dairy cows and poultry in the United States, with sporadic human cases. We …