Jonas Salk Polio Vaccine .... In the early 1940s, Dr. Jonas Salk developed his killed-virus influenza vaccine which would lead to the Salk polio vaccine in 1955. .... (2349 9 )
Polio in the US Introduction This r .... Jonas Salk had produced killed virus vaccines for influenza and began working on the premise of a killed virus vaccine for polio. Dr. Albert Sabin followed .... (5079 20 )
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