The latest human case of bird flu in the U.S. occurred in a patient with no reported exposure to affected animals, sparking ...

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

The H5N1 bird flu appears to be stampeding through dairy farms in California, the country's largest milk producer. Over the ...

Oseltamivir has a controversial past. Governments around the world have spent billions of dollars to stockpile the drug since ...

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

Three people in contact with a hospitalized bird flu patient in Missouri have developed symptoms, officials said.

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

A second health worker developed milk respiratory symptoms after caring for a person hospitalized in Missouri with H5N1 bird ...

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

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

But experts said that all depends on whether there are any further bird flu outbreaks. Outbreaks of bird flu earlier this ...

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