Flu changes every year, so our vaccine has to change with it. Here’s the quick what-and-why behind the annual shot, how it’s picked, made, and when to get it. Here are a few questions about influenza ...

Some surveys have shown that nearly 30% of people believe getting a flu shot can actually cause influenza. This belief is likely due to common side effects linked to the vaccine, including headache, ...

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 ...

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 ...

A Food and Drug Administration advisory panel on Thursday recommended the approval of Moderna’s mRNA-based flu shot for older adults.