Polio Cases in the US by Year
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First published: Monday October 4th, 2021
First published: Monday October 4th, 2021
Polio was a major problem in the United States throughout most of the 20th century. After a particularly bad outbreak in the 1950s, vaccination brought numbers down significantly, and the disease was eradicated in the US in 1979.
There were still a few cases in the US after 1979, but all were imported from abroad
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