Health officials identified three contacts, including two healthcare workers, who were closely monitored after a bird flu ...

It's not easy finding food at sea. Seabirds often stay aloft, scanning the churning waters for elusive prey. Most seabirds ...

A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

Missouri healthcare worker who had contact with a hospitalized patient infected with bird flu developed mild respiratory ...

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

Mysterious US bird flu case in person without any known contact with an infected animal raises spectre of human-to-human ...

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

An extensive look at wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

Genetic analysis of a bird flu virus detected in a person in Missouri who didn’t previously have contact with animals offers ...

All Massachusetts dairy farms are 100 percent free of bird flu, state officials announced on Monday. At least 14 states ...

The H5N1 virus, initially restricted to Eurasia and Africa, has since spread to North and South America and even reached ...