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Yes, SV40 was not killed by the formaldehyde used in the polio vaccine:Infectious SV40 survived the vaccine inactivation treatments, and conservative estimates indicate that up to 30 million people (children and adults) in the United States may have been exposed to live SV40 from 1955 through 1963 when administered potentially contaminated polio vaccines
ah!
~S~
Vaccine contamination with SV40 - Wikipedia
en.wikipedia.org