Jonas Edward Salk,US microbiologist

Bildnummer 12050873
Jonas Edward Salk,US microbiologist
Jonas Edward Salk (1914-1995). Caricature of the American microbiologist Jonas Edward Salk holding a test tube. Salk is best known for producing the first viable polio vaccine. In the 40s,other microbiologists such as the American Enders had developed new techniques to produce cultures of polio virus in quantities adequate for experimentation. This enabled Salk to produce a vaccine in 1952,which he tried with success on children who had recovered from polio. He then tried it,again with success,on children without a history of polio and by 1955 the vaccine was prepared for worldwide distribution. Together with the vaccine obtained by the American microbiologist Sabin in 1957,the incidence of poliomyelitis was reduced by the end of the 1960s
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Brown, Gary
Bildgröße: 2646 px × 3307 px
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