To round out the name, the viruses are given an H and N number to indicate a subtype. A full name might then look like this: ...

As flu season ramps up in the U.S., influenza is not as simple as it first appears, with several different strains in play.

South Korea has confirmed its 15th case of highly pathogenic avian influenza for the season at a southern farm, authorities ...

Flu season was irregular after the height of the COVID pandemic, but is settling back into a more standard pattern ...

Among patients hospitalized with influenza, the mortality burden is high, with nearly 50% of deaths occurring within 30 days of discharge.

Highly pathogenic avian influenza, or HPAI, has been detected on commercial farms in California and other parts of the U.S. The most recent outbreak of the highly transmissible strain of bird flu ...

Gov. Gavin Newsom declared a state of emergency for California Dec. 18 due to highly pathogenic avian influenza, which ...