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#jonasedwardsalk
picnotesknowledge · 5 years
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Jonas Edward Salk was an American doctor and medical researcher, who developed the first safe and effective vaccine for polio. He began research on polio in 1947 at Pittsburgh. On April 12, 1955, the vaccine was released for use in the United States: http://bit.ly/Jonas_Salk
#JonasEdwardSalk#JonasSalk#Poliovaccine#polio#vaccine#researcher#medical#lifelonglearner#lifelonglearners#doctor#physician#laboratory#vaccines#health#vaccinations
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