How often would a 37 year old woman who has a very low immune system need the H1N1 shot?


Rate This Answer

H1N1 Every year or so, the seasonal vaccine -- which includes a component based on the seasonal H1N1 virus -- is tweaked to match a flu virus that has changed its genetic makeup. The same kind of tweaking resulted in the H1N1 swine flu vaccine. ChaCha on

Answered by Michael K. -

Galleries

See All Galleries »

Autism Facts

Autism Facts

Viewed 182 times

Comments

Advertisement