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contaminated
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Shocking: CDC's Polio Vaccine & Cancer Virus Link?
Between 1955 and 1963, the inactivated polio vaccine (IPV), developed by Jonas Salk, was inadvertently contaminated with simian virus 40 (SV40). This virus...
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Between 1955 and 1963, the inactivated polio vaccine (IPV), developed by Jonas Salk, was inadvertently contaminated with simian virus 40 (SV40). This virus...