Actually 60-80% effective based on 2018 numbers. Because they can't predict the variants the flu will mutate into this year. One year they'll fuck up and have a really shitty batch of completely worthless trash and the other year it's a near perfect vaccines.

Flu is a special case. Guess what though. The measles vaccines is way better and nearly wiped out the disease until people stopped getting it.

Oh and before you bring up polio vaccines... using crappy attenuated oral vaccines because third world tribes fear needles and Bill Gates is evil doesn't mean polio wasn't eradicated in the West thanks to the superior inactivated injection polio vaccine by dr Salk.

Actually 60-80% effective based on 2018 numbers. Because they can't predict the variants the flu will mutate into this year. One year they'll fuck up and have a really shitty batch of completely worthless trash and the other year it's a near perfect vaccines.

Fly is a special case. Guess what though. The measles vaccines is way better and nearly wiped out the disease until people stopped getting it.

Oh and before you bring up polio vaccines... using crappy attenuated oral vaccines because third world tribes fear needles and Bill Gates is evil doesn't mean polio wasn't eradicated in the West thanks to the superior inactivated injection polio vaccine by dr Salk.