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What year was the polio vaccine developed by Jonas Salk?

Answer:

1955

1955 (MCMLV) was a common year starting on Saturday of the Gregorian calendar, the 1955th year of the Common Era (CE) and Anno Domini (AD) designations, the 955th year of the 2nd millennium, the 55th year of the 20th century, and the 6th year of the 1950s decade. .

General Added July 9th, 2022 by TriviaBotTriviaBot

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