Public health experts are urging vigilance amid recent reports of severe bird flu cases in two North American patients.

Public-health experts have been highly critical of the federal and state response to the virus, which was first identified in ...

Previous seasonal flu infections and vaccinations may protect us against infection from the highly pathogenic H5N1 bird flu outbreak.

The administration said it was committing $306 million toward improving hospital preparedness, early-stage research on ...

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.

The agency says it is looking for red flags, but the risk to the public still remains low. Meanwhile, a Louisiana patient with a severe case of bird flu showed worrying mutations in the samples ...

The Centers for Disease Control and Prevention has identified mutations in bird flu infections in a hospitalized patient in ...

In coming years, the bird flu may cost billions of dollars more in expenses and losses. Worse, the outbreak poses the threat ...

The risk of respiratory syncytial virus, or RSV, is on the rise, along with that of other illnesses including the flu, stomach flu and COVID-19.

The CDC detected a change in the strain that would allow the virus to more easily travel through human airways.

The Centers for Disease Control and Prevention and other federal agencies are closely monitoring the spread of the HN51 avian ...