14 "Only a vaccine will work!!" (www.cbc.ca) posted 3 years ago by Lupinfujiko 3 years ago by Lupinfujiko +14 / -0 22 comments share 22 comments share save hide report block hide replies
Quite often the strains mutate in the wild and the flu shot is useless.
Not something anyone “needs” unless your employer compels you to inject it.