Question

In 1952, there were approximately 60,000 cases of polio in the United States. About 3,000 of those resulted in death. In 1955, the first polio vaccine was administered, and by the early 1990s, there were no new cases of polio in the U.S. Despite this fact, the polio vaccine is still given to children as a preventative immunization. Why do American children still need this vaccine?
A.
The polio vaccine has been linked to autism.
B.
Polio tends to mutate and resurface in adults.
C.
Polio has not yet been eliminated from other countries.

Answer 1

@ilovespaghetti help meh ;(

Answer 2

First off, what are your guesses?

Answer 3

b idk

Answer 4

.

Answer 5

MY BAD

Answer 6

Nvm ik what it is

Answer 7

ITS DAMM C

Answer 8

oh goodie

Answer 9

>:)