No evidence of HIV and SIV sequences in two separate lots of polio vaccines used in the first U.S. polio vaccine campaign.
Signed vials of two different polio vaccine lots, expiration date 1955, which were used in the first U.S. polio vaccine campaign were obtained, and poliovirus sequences were readily amplified by RT-PCR, suggesting that the technique used would have detected SIV or HIV sequences, if present.
Natural and iatrogenic factors in human immunodeficiency virus transmission.
- BiologyPhilosophical transactions of the Royal Society of London. Series B, Biological sciences
It seems to me that the oral polio vaccine (OPV) hypothesis for the origins of human immunodeficiency virus (HIV) and the acquired immune deficiency syndrome epidemic is less tenable now than one year earlier.