The 2025-26 flu season has been brutal, so far. At least 19 million Americans have had it, and it's not over yet. Flu season ...

Do you have a sore throat, a runny nose and muscle aches? It could be a common cold, a case of the flu -- or COVID-19. The illnesses all share similar symptoms, sometimes making it hard to distinguish ...

Flu is making people miserable from coast to coast, thanks in large part to a new strain called subclade K. That’s why infectious disease experts are telling people to run, not walk, to get this ...

As the U.S. flu season winds down, health officials say the flu vaccine didn’t work very well, with one of its worst ...

But you may be wondering whether getting a flu vaccine will still help or even if getting the vaccine might be riskier than getting sick. It can help, and the flu is far riskier — but misinformation ...