Patient zero' Gaëtan Dugas was not source of HIV/Aids outbre
Scientists have managed to reconstruct the route by which HIV/Aids arrived in the US – exonerating once and for all the man long blamed for the ensuing pandemic in the west.

Using sophisticated genetic techniques, an international team of researchers have revealed that the virus emerged from a pre-existing epidemic in the Caribbean, arrived in New York by the early 1970s and then spread westwards across the US...

https://www.theguardian.com/science/2016/oct/26/patient-zero-gaetan-dugas-not-source-of-hivaids-outbreak-study-proves
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