A late-emerging influenza A mutation known as subclade K weakened protection, but doctors say vaccination still reduces ...

Americans are being urged to be extra vigilant this winter, as a suite of influenza A mutations has created a dominant virus ...

Have you been sick since the new year started? You're not alone; here's what to know about new H3N2 flu strain and its ...

His family said antibiotics did not help. His wife is now urging others to get their flu shots. The man did not receive a flu ...

A variant of influenza A, H3N2, is spreading across the U.S., with low vaccination rates contributing to infection rates.

The CDC estimated there have been at least 7.5 million illnesses in the U.S., 81,000 hospitalizations and 3,100 deaths from ...

Hospitals are filling up across the state with people experiencing flu-like symptoms. The CDC says Kansas is one of several ...

There have been more than two dozen flu-related deaths in Massachusetts, and experts anticipate cases continuing to rise.

Health officials warn the H3N2 Clade K variant is spreading rapidly because most residents lack immunity, with ...

Viruses can change and alter their genetic make-up. When these changes occur, the virus may become more or less of a threat to the human host. Virologists are therefore interested in tracking the ...

Tennessee's chief medical examiner released a full toxicology report Tuesday for 22-year-old University of Missouri senior Riley Strain, whose body was found in the Cumberland River in March after a ...