Avian influenza can jump species from birds to humans, a fact that arouses concern for serious illness and broader human ...

U.S. flu cases are surging partially because of a new strain named "subclade K," that is not well covered by this year’s flu vaccine. Doctors still recommend getting the flu vaccine as it can reduce ...

In a large study of 429,595 adults aged 65 years or older, adjuvanted and high-dose influenza vaccines showed no significant ...

This year's flu season is shaping up to be particularly brutal. Here's what to know this week, including cases taking a downturn.

TYLER, Texas (KLTV) - A new mutation of the influenza A(H3N2) strain, known as subclade K, is causing an increase in flu cases and hospitalizations in Texas and across the country early in this year’s ...