This year’s flu outbreak is shaping up to be the worst in a decade. Why does it vary so much season to season?
flu vaccine
Yes, you should get a flu shot
Influenza kills 36,000 Americans and 500,000 worldwide each year.
Bird flu: What you need to know
The H7N9 virus has proven deadly in China, but it is not yet a pandemic.
Cover your mouth, cover your bases, to avoid flu
Already got a flu shot? There’s more you can do to stay healthy.
Best time for a flu shot: Right now
It takes 2 weeks after a flu shot for the body to develop immunity.
Best way to avoid the flu? Cheat
Vaccine gives the body a head start in fighting the virus
