Polio cases

Polio Cases from the Late 30s to 1955

By RQJNHD
  • Fewer Cases in Late 30s

    In the late thirties, there were fewer cases of polio than in 1956.
  • Rise of Cases

    There was a rise in the early 1940s, particularly in 1944 when 19,029 cases were reported.
  • Drop to 10,000 Polio Cases

    A sharp drop to about 10,000 cases in 1947.
  • "High Polio Years"

    In 1952, there were a number of "high polio years" reaching a peak with 57,879 cases.
  • Drop-off of Half the Cases Cases in 1952

    Drop-off to about half that number of cases in 1952 in 1955.