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

Bruce Willis’ wife, Emma Heming Willis, is getting candid about the reality of having “unconditional love” for her partner ...

Genetic analysis of H5N1 bird flu virus that infected a Canadian teenager shows 'worrisome' mutations, new studies reveal.

As the seasonal flu picks up, there are even more opportunities for the bird flu to acquire mutations as the different influenza viruses mix.

Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...

Amid a "concerning" new mutation in bird flu that may indicate the virus could begin to more easily infect humans, what are ...

Weeks after the first severe case of bird flu was reported in Louisiana , the Centers for Disease Control and Prevention are ...

Cases of norovirus and bird flu are on the rise compared to last year, according to data from the CDC. Several states have experienced over 10 confirmed outbreaks of norovirus, a contagious virus that ...

A Canadian teen's severe bird flu infection has raised alarms about the rising threat of H5N1. With symptoms like fever, ...

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.

Most human cases of bird flu in North America have been mild, a fact that’s underscored by a new study of the first 46 confirmed human H5N1 infections ...

The fate of a Canadian teenager who was infected with H5N1 bird flu in early November, and subsequently admitted to an intensive care unit, has finally been revealed: She has fully recovered. But ...