2 Articles
2 Articles
Dr. Jonas Salk Announces Polio Vaccine
In 1952, there were around 58,000 cases of polio reported in the US, and children were most affected by this horrible disease. Polio attacks the nervous system and can cause different degrees of paralysis. The virus was highly infectious, so breakouts occurred many times in the early 1900s. On March 26, 1953, Jonas Salk announced he had successfully tested a new vaccine. Unfortunately, a defective batch was sent out produced by Cutter Laboratori…
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