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

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

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

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 ...

The mandatory testing comes as the total number of infected herds in California has risen to 17. Nationally, officials have ...

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

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

A second healthcare worker in Missouri showing symptoms after contact with a bird flu patient has not been tested. The total ...