The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.

Avian flu in dairy cows could stick around on US farms forever, and is raising the risk of outbreaks in mammals—including ...

California condor researchers track every rare survivor in the nearly-extinct species, and mourn the loss of a Colorado visitor to poaching.

With the approach of fall and cooler weather across the United States, officials say the risk posed by the H5N1 bird flu ...

The US Department of Agriculture (USDA) has taken a significant step towards the approval of an H5N1 avian flu vaccine for ...

Bird flu typically spreads among birds, but there have been recent outbreaks among cattle in the U.S., and one Texas man ...

A patient in Missouri who was hospitalized after an infection with bird flu had the H5N1 strain of the virus, the US Centers ...

State testing from all 95 Massachusetts dairy farms showed a 100% negative result for the dangerous strain of influenza, ...

A person sickened by bird flu in Missouri was probably an isolated case, federal health officials said Thursday, though they ...

The AMA Update covers a range of health care topics affecting the lives of physicians and patients. Learn more about the latest in bird flu, mpox and COVID vaccines.

Federal officials are still trying to determine how a Missouri resident with no known exposure to bird flu, contracted the ...

San Diego County has a closed sewage system, meaning that its stormwater and wastewater do not intentionally intermix. This ...