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  4. In 1952 before Jonas Salk's vaccine for this became available the number of U.S. cases surged to 57000; by 1962 it was 910

In 1952 before Jonas Salk's vaccine for this became available the number of U.S. cases surged to 57000; by 1962 it was 910

Since you have landed on this page then most probably you are looking for the In 1952 before Jonas Salk's vaccine for this became available the number of U.S. cases surged to 57000; by 1962 it was 910 answer. This question was last seen on May 9 2023 Jeopardy TV Game Show.

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For more questions from this episode visit Jeopardy May 9 2023 Answers