U.S. flu cases are surging partially because of a new strain named "subclade K," that is not well covered by this year’s flu vaccine. Doctors still recommend getting the flu vaccine as it can reduce ...

Doctors and scientists say this year's influenza season could be tougher than usual. A new version of the flu virus, called H3N2, is spreading quickly. At the same time, fewer people are getting flu ...

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, ...

Every year, flu vaccines are updated to match the flu viruses expected to circulate. For 2026, the vaccine focuses on several influenza strains that research predicts will be most prevalent. This ...

It's winter and with the holidays near, the 2025-2026 flu season has hit the U.S. with flu cases on the rise in New Jersey, with doctors urging those who haven't gotten the flu shot to do so now.

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 ...