Everything you need to know about the flu vaccine, including the nasal spray, egg-free options, who it’s free for and what to ...

Doctors recommend getting your flu shot annually, since the specific influenza strain it targets varies from year to year.

(NEXSTAR) – The flu is once again spreading far and wide. The Centers for Disease Control and Prevention announced Friday there was a 19% rise in people testing positive for influenza in the most ...

A new study from the University of Gothenburg may help guide the development of better influenza vaccines. Memory cells in ...