Was AIDS epidemic caused by 1950s polio vaccine trials?

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Was AIDS epidemic caused by 1950s polio vaccine trials?

He now believes that the most likely explanation for the cross-over of HIV from monkeys to humans was the contamination of an experimental oral polio vaccine called CHAT, developed during the 1950s by Dr Hilary Koprowski at the Wistar Institute in Philadelphia. The vaccine may have been grown in chimpanzee kidney cells, and Hooper believes that SIVcpz, the primate immunodeficiency virus closest to HIV, was able to contaminate some lots of the vaccine. https://www.aidsmap.com/news/mar-2001/was-aids-epidemic-caused-1950s-polio-vaccine-trials