Trump’s health secretary has halted federal flu vaccine promotions, citing personal beliefs about vaccine risks.

According to the Centers of Disease Control and Prevention (CDC), most people should get the flu vaccine annually, beginning at 6 months old, in order to protect against becoming seriously ill, ...

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 ...

The United States is facing one of its most severe flu seasons in decades, data show. Infections and hospitalizations are surging, driven by a new mutated influenza A variant, H3N2 "subclade K." ...