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He published a monograph saying that the symptoms of polio
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World War 1 started in the summer of 1914
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There was a large outbreak of polio in the USA
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Franklin Delano Roosevelt contracted polio
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Roosevelt started Warm Spring Foundation
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The first iron lung was used at Children's Hospital, Boston
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Roosevelt was selected president of the United States
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It was founded by President Franklin D. Roosevelt in 1938 as the National Foundation for Infantile Paralysis
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Word war : September 1 1939- September 2 1945
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The Japanese bombed Pearl Harbor
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It was very important to have a family car at that time
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Cold war between Capitalism and Communism
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Jonas Salk announced there were just three viruses
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the chief was in the hispital believed patients who were being successful
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How to be a good housewife
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Salk tried the vaccine on himself, his children, male chidren at the Polk State School and adults near Pittsburgh.
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Salk tried the vaccine on forty-five children at the D,T,Watson Home for Crippled Childrenand twenty-sevenn staff memberrs of the Watson Home also volunteered to take the vaccination.
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There were 4580 cases ub the Unite States
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Time magazine welcomed the news of Salk's vaccine and said it would probably be available in time for a large scale field test later that year
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American Telephone and Telegraph had just developed a speakerphone
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NASA asked for applications from anyone who wanted to be an astronaunt
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Jonas Salk announced polio Vaccine was successful in April 12 1955
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Disneyland opened in July 1955
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Montgomery Bus Boycott
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TV sets
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The Kitchen in 1959
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It had nearly disappeared by 1960
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He came out with his live-virus vaccine
