4 days ago · H5N1 bird flu is a virus that has recently been detected for the first time in cows. Jan 6, 2025. Protective actions around wild birds Avoid direct contact with wild birds and observe …

Jan 28, 2025 · Data is provided by state, county, date detected, HPAI strain, type of wild bird, and sampling source. January 14, 2024, USDA APHIS reported the first H5N1 detection in wild …

Dec 20, 2024 · Most A(H5) viruses identified worldwide in wild birds and poultry are LPAI, but occasionally HPAI A(H5) viruses have been detected. Sporadic A(H5) virus infections of …

3 days ago · “The bird flu outbreak is the worst globally and also in U.S. history, with hundreds of million birds dead since it first turned up in domestic waterfowl in China in 1996,” Walzer said …

Dec 30, 2024 · As the epizootic of highly pathogenic avian influenza (HPAI, more specifically avian influenza type A H5N1) spreading globally approaches its fourth year, animal and public …

Dec 31, 2024 · Photo of a wild bird. To the right is a colorized transmission electron micrograph of H5N1 virus particles (purple). H5N1 bird flu is widespread in wild birds worldwide, and in 2024 …

Jan 7, 2025 · Avian influenza A (H5N1), or bird flu, has killed millions of wild birds, and caused sporadic outbreaks among poultry and an ongoing multistate outbreak among cows in the …

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.

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 …

6 days ago · H5N1 has been the dominant grouping of strains fueling this past year's outbreaks in the U.S., with different variants of that virus spreading in wild birds, poultry flocks, dairy cattle, …