The Food and Drug Administration (FDA) is getting ready to evaluate Moderna’s messenger RNA-based flu shot, MFLUSIVA, Fierce Biotech reported, and the landscape appears more positive than investors might have expected. The problem is larger than a single seasonal vaccine.

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(CNN) — Flu is making people miserable from coast to coast, thanks in large part to a new strain called subclade K. (CNN) — Flu is making people miserable from coast to coast, thanks in large part to a new strain called subclade K. That’s why ...

Every year, tens of millions of people in the U.S. get the flu vaccine. That’s because the virus changes year-to-year and protection only lasts around six months. Adolfo Garcia-Sastre wants to change that.

Should you get a flu shot when you're pregnant? Find out whether it's a good idea and when you should schedule it.

Flu cases often rise during the monsoon season. Doctor explains why babies aged six months and older should get vaccinated in June to reduce the risk of serious flu complications.