Add Yahoo as a preferred source to see more of our stories on Google. The flu season is ramping up in a big way as an influenza A H3N2 mutation called subclade K drove a near 15% increase in clinical ...

Sickness is surging across the United States following the holiday season, bringing thermometers and medicine to homes amid presents and Christmas dinner leftovers. New York state especially has been ...

The FDA is reviewing the first mRNA flu vaccine for adults 50 and older. Learn how this technology could lead to faster and more effective shots.

Doctors say this isn't an average flu season — they're seeing an explosion of cases. Here’s how to protect yourself from contracting and spreading the flu. (Video by Jenna Perlman/Globe Staff) The ...

Doctors recommend getting your flu shot annually, since the specific influenza strain it targets varies from year to year.

State governments are rolling out a needle-free vaccine in time for this year’s flu season. Here’s who can access the nasal spray.