New York, NY
Polio Poliomyelitis Virus, The Cause
Photograph - Photograph
Polio (Poliomyelitis) virus, the cause of Infantile Paralysis, was discovered in 1908 by Karl Landsteiner. The vaccine for polio was developed between 1948 and 1953, when the researchers were able to grow large amounts of the virus, and Jonas Salk developed a safe killed-virus vaccine.
December 5th, 2011
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