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8. You're being careless. Introduction of the vaccine didn't eradicate polio from people who had polio.

Tue Feb 23, 2016, 05:32 PM

Feb 2016

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This message was self-deleted by its author [View all] valerief Feb 2016 OP

By 1962 polio SheilaT Feb 2016 #1

Also, here are some stats on U.S. polio. valerief Feb 2016 #3

I know, I looked that up also, SheilaT Feb 2016 #4

People who got it before the vaccine still had it. nt valerief Feb 2016 #5

Do you know for sure that picture was taken in 1962? SheilaT Feb 2016 #11