Published in Vaccine Weekly, February 4th, 2004
According to recent research from Slovakia and the U.K., "When several human vaccines were tested for pestivirus contamination using a one-tube closed nested RT-PCR method employing pan-pestivirus primers selected from the 5'-untranslated region (5'-UTR) of the pestivirus genome, a 224-bp DNA product was produced from a poliovirus vaccine. Although this amplicon was of the size expected for pestiviruses, its sequence showed a 100% similarity with the corresponding reverse complement of a nucleotide sequence from the VP2 gene of the poliovirus type I Sabin strain."
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