Subclade K (previously known as J.2.4.1) is gaining attention because it appears to be spreading much earlier in the flu ...

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 ...

If you have a mild illness like a cold, it’s fine to get a flu shot. If you’re already experiencing flu-like symptoms, like running a fever, feeling fatigued or having trouble staying hydrated, you ...

The U.S. is facing its worst flu season in 25 years, according to the Centers for Disease Control and Prevention, which ...

The U.S. also endured its highest flu-related hospitalization rates in almost 15 years last flu season, with unvaccinated ...

Conversations around flu vaccination can be confusing. Myths proliferate on social media. Medical experts agree the flu ...

A new mRNA vaccine against the flu has proven itself more effective than existing vaccines in a new clinical trial. The Pfizer-developed vaccine was found to be 34.5 percent more effective than ...