Viral mismatch between circulating strains and vaccine may have weighed down effectiveness ...

As flu cases are surging across the United States, here's what to know about whether or not you can still get the vaccine.

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 ...

Deaconess reports a 53% spike in flu cases and a 13% rise in RSV. A local doctor breaks down who's most at risk and what to ...

Add Yahoo as a preferred source to see more of our stories on Google. People who get a flu shot are less likely to become severely ill, be hospitalized or die. - Kylie Cooper/Reuters/File Flu is ...