Health officials have confirmed the presence of H5N1 (bird flu) in a backyard poultry flock in San Mateo County. The county said that while there are no current human cases of bird ...

Illinois is seeing a "notable increase" in hospital admissions for flu cases, according to state health officials, as levels of respiratory viruses continue to tick up. But which type of flu is ...

Dairy cattle in Nevada have been infected with a new type of bird flu that's different from the version that has spread in ...