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3 answers

Polio or infantile paralisys is an ancient disease, polio was first recognized as a medical entity by Jakob Heine in 1840.
The polio vaccines were developed in 1955, by Dr. Jonas Salk, and in 1962 by Dr. Albert Sabin

2007-03-08 11:54:00 · answer #1 · answered by paramedicguy_au 3 · 0 0

2

2016-08-24 14:08:57 · answer #2 · answered by ? 3 · 0 0

Jonas E Salk

2007-03-08 11:54:45 · answer #3 · answered by carpet p 1 · 1 0

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