A 13-year-old girl in British Columbia who was hospitalized with bird flu for several weeks late last year harbored a mutated ...

Although bird flu usually does not infect people, there have been some rare cases of human infection with these viruses, according to the U.S. Centers for Disease Control. Last month, a patient was ...

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 cows in the U.S. early in 2024.

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 ...

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 and other federal agencies are closely monitoring the spread of the HN51 avian ...

The CDC previously confirmed the first severe human case of bird flu in Louisiana, but now the CDC has confirmed a virus ...