India authorities step up monitoring after human metapneumovirus outbreak in China - China, Malaysia and Kazakhstan are among ...

The first US bird flu death has been confirmed by the Centers for Disease Control and Prevention after the patient in ...

The first person to have a severe case of H5N1 bird flu in the United States has died, according to the Louisiana Department ...

The first U.S. bird flu death has been announced - a person in Louisiana who had been hospitalized with severe respiratory symptoms.

For influenza viruses, imperfection is a strength. They constantly mutate, producing new strains that challenge immune ...

The deceased was over 65 and had other medical conditions, state officials said. A Louisiana patient who had been ...

The US just recorded the first death from severe bird flu. Experts say it's not too early, or unreasonable, to prepare for ...

A patient who had been hospitalized with bird flu dies of the disease, the Louisiana Department of Public Health reports, and Iowa has new outbreak ...

The rise of bird flu across farms in California has raised questions about the virus and its potential threat to humans.

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.