Since 2021, experts have seen bird flu — also called H5 influenza or highly pathogenic avian influenza (HPAI) — spreading "fairly quickly" across the wild and domestic bird populations and, now, among ...

A CDC report on bird flu shows potential transmission of bird flu between exposed dairy workers and indoor pet cats. The ...

The latest bird flu detections come as the U.S. Department of Agriculture is trying to rehire bird flu experts​ that were fired as part of DOGE cost-cutting efforts.

A team of government veterinarians with the State Veterinary Institute Prague in the Czech Republic has found possible evidence of windborne H5N1 infections in chickens. In their paper posted on the ...

The Public Health Agency of Canada said Wednesday it's purchased 500,000 doses of a human vaccine to protect against avian ...

CT DEEP, CT DoAg and CT DPH collaborated to release a fact sheet with important facts about the Highly Pathogenic Avian ...

Scientists Identify Mutation That Could Facilitate H5N1 'Bird Flu' Virus Infection and Potential Transmission in Humans Dec. 5, 2024 — Avian influenza viruses typically require several mutations ...

Influenza A Viruses Adapt Shape in Response to Environmental Pressures Feb. 10, 2025 — Influenza A virus particles strategically adapt their shape -- to become either spheres or larger filaments ...

A dairy worker in Nevada has been infected with a strain of H5N1 bird flu—genotype D1.1—that has newly spilled over to cows, ...

CNN reported Saturday night that a worker tested positive for the D1.1 version of the H5N1 bird flu virus. Confirmation testing by the Centers for Disease Control and Prevention is underway. The ...

Until last week, all bird flu in dairy herds had been identified as the B3.13 variant, which was believed to have come from ...

The detection indicates that distinct forms of the virus known as Type A H5N1 have spilled over from wild birds into cattle at least twice. Experts said it raises new questions about wider spread ...