Subclade K, which is circulating in Arizona, has been dubbed a 'super flu' but some experts say that's not an accurate characterization.

Influenza is on the rise. Flu activity was "high" or "very high" in 32 states and jurisdictions, as of Dec. 30, according to ...

A new version of the common flu is spreading globally, and health officials are monitoring this evolving strain of influenza A(H3N3) Subclade K, which has been increasingly detected worldwide.

"The Chinese poultry lineage may have experienced more vaccine-driven selection compared to other lineages," the researchers ...

A new strain of influenza A , called subclade K, has seen a rapid surge in the United States, emerging as a major public ...

It's the time of year many start thinking about throwing out Christmas trees and also strengthening their immunity. As flu ...

A new form of the flu, which is highly contagious and aggressive, is sweeping the nation this season. A mutation of influenza ...

Innovative research into the gene-editing tool targets influenza’s ability to replicate—stopping it in its tracks.

A new study has shown that person-to-person variation in antibody immunity plays a key role in shaping which influenza (flu) strains dominate in a population. The work, published today as a Reviewed ...

Influenza is on the rise in several states. Here are symptoms to look for if you start feeling under the weather.