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.
You should read the sidebar of this community
I have. Im aware. As i said i was answering the question that was asked. The community description is almost never read when generally browsing by users. Understand?