Plenty of people – about 1 in 3, according to some studies — feel bad for a day or two after they get a flu shot. The most common symptoms include headaches, muscle aches, fatigue and fever, all of ...

We are entering peak flu season, and a new variant known as subclade k is spreading quickly across the country, driving a ...

A San Diego startup may have created what the scientific community has talked about for decades – a kind of universal flu ...

Influenza A H3N2 subclade K has driven flu cases across the country, with 52 counties in Florida seeing increases over the past week. While the current flu vaccine might be a "mismatch," it still ...