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What is Smallpox vaccine was discovered by: and explain in detail?
Ans: a (Edward Jenner) Ref:Ananthanarayan, ed, p. 457Early live vaccine such as Jenner's pox vaccine, were developed emperically from natural viruses.Sabin's name is related to oral polio vaccine.Salk's name is related to killed polio vaccine.This is a question based on historic importance.