Medically reviewed by Jane Kim, MD Key Takeaways Allergic reactions to the flu shot are very rare, affecting only one or two people per million doses.  If you have trouble breathing, hives, or ...

Add Yahoo as a preferred source to see more of our stories on Google. The seasonal flu shot is a yearly vaccine administered to protect against the flu, or influenza. Here are the facts and side ...

ATLANTA — There’s no evidence that the swine-flu vaccine is causing any serious side effects, U.S. health officials said Wednesday, in their first report on the safety of the new vaccine. Since ...

Flu cases in Boston and across Massachusetts continue to ratchet up, due in part to a new variant, as public health officials remind everyone that it’s not too late to get inoculated. “This flu season ...

Mehmet Oz, administrator of the Centers for Medicare and Medicaid Services, on Tuesday called the seasonal flu vaccine “controversial of late” and advised various Make America Healthy Again (MAHA) ...

The seasonal flu shot is a yearly vaccine administered to protect against the flu, or influenza. Here are the facts and side effects of the shot.