Archived page from the CDC, 2011

By Joel Walbert — Jun 14, 2025

Archived page from the CDC, 2011

Cancer, Simian Virus 40 (SV40), and Polio Vaccine Fact Sheet
https://web.archive.org/web/20110307094146/http://www.cdc.gov/vaccinesafety/updates/archive/polio_and_cancer_factsheet.htm

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