Jonas Salk
Saturday, July 4, 2009 Labels: US News 0 commentscharles drew, edward jenner, smallpox vaccine, salk, small pox
Watch This Jonas Salk Video in sanjuan.edu. He discovered and developed the first safe and effective polio vaccine. An American medical researcher and virologist and born in New York City. He pushed thru his medical research and stopped being a physician. In 1955, his Salk vaccine was initiated. During that time, polio was believed to be the most alarming health problem at that time. Children were the typical victims. Watch this Jonas Salk video in youtube.com.
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