The U.S. government failed to eliminate the virus on dairy farms when it was confined to a handful of states. Now at least 875 herds across 16 states have tested positive.

Higher prices of eggs have been reported across the United States due to an outbreak of the H5N1 virus, a highly pathogenic avian influenza virus that primarily affects birds but can also infect mamma ...

Several viruses -- seasonal flu, stomach flu, COVID-19 and RSV -- are surging in the United States and are expected to spike ...

Gov. Newsom declared a state of emergency as the virus continues to infect dairy herds across the country — including more ...

Dozens of cats across the U.S. have tested positive for avian flu, federal officials say. The west coast has been hit ...

The U.S. Department of Health and Human Services announced Friday it will award $306 million in additional funding to monitor ...

A patient has been hospitalized with a severe case of avian influenza A (H5N1) virus ("H5N1 bird flu") infection in Louisiana ...

The administration said it was committing $306 million toward improving hospital preparedness, early-stage research on ...

Feeling under the weather? Local health officials are tracking a variety of viruses making rounds in the community right now.

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.