Polio peaked in the U.S. in the year 1952, with 57,879 cases. Once the vaccine became widely available in 1955, this figure dropped to 29,000 cases. So, to claim that polio cases were dropping significantly before this point is incorrect.
Polio peaked in the U.S. in the year 1952, with 57,879 cases. Once the vaccine became widely available in 1955, this figure dropped to 29,000 cases. So, to claim that polio cases were dropping significantly before this point is incorrect.
Why is this post being down voted? I’m just curious as to what the reason might be.
People think the poster is agreeing with the image
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deleted by creator
You should read the sidebar of this community
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I forgot to vaccinate against downvotes