Avian influenza H5N1 infection in humans has spread to seven U.S. states, growing from 46 cases last week to 52 cases this week.

As H5N1 bird flu spreads among California dairy herds and southward-migrating birds, health officials announced Friday six ...

In terms of bird losses, California has had 5,798,400 head of commercial poultry claimed by the HPAI outbreak in 2024. Only ...

The U.S. Centers for Disease Control and Prevention (CDC) on Friday confirmed highly pathogenic form of bird flu in a person ...

The report is connected to an outbreak that affected roughly 150,000 birds at a commercial poultry facility in Clackamas County.

With 46 U.S. cases and alarming signs of the virus crossing species, experts warn of unpredictable risks if human-to-human ...

Cases of H5N1 bird flu in U.S. dairy and poultry workers have largely been mild. However, a new case in a British Columbia ...

A teenager in Canada is critically ill with the country's first human case of H5N1 bird flu. Health officials aren't sure how ...

Centers for Disease Control and Prevention provided an update on how the avian flu has impacted dairy workers, David Murray ...

As H5N1 bird flu spreads among California dairy ... The source of one more case in Missouri remains unknown. In addition, a teenager in British Columbia was infected by an unknown source and ...

Oregon confirms its first human bird flu case, the latest in dozens of cases in the U.S. this year. Experts discuss the ...