More than 98 million Americans received one or more doses of polio - TopicsExpress



          

More than 98 million Americans received one or more doses of polio vaccine from 1955 to 1963 when a proportion of vaccine was contaminated with SV40; it has been estimated that 10–30 million Americans could have received an SV40 contaminated dose of vaccine. webcache.googleusercontent/search?q=cache:8pUR6KX_Vq8J:cdc.gov/vaccinesafety/updates/archive/polio_and_cancer_factsheet.htm+cdc+polio+cancer+fact+sheet&cd=2&hl=en&ct=clnk&gl=ca
Posted on: Sat, 20 Jul 2013 09:24:42 +0000

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