Poliovirus vaccine, SV40, and human cancer

Deep sequencing – which identified a viral contaminant of the rotavirus vaccine Rotarix – could have revealed the presence of simian virus 40 (SV40) in the poliovirus vaccine, had the technique been available in the 1950s. Exposure of over 100 million Americans to SV40, and many more worldwide, could have been avoided, as well as the debate …

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