Scientists trace evolution of HPV to sex with Neanderthals. A new study shows an ancient version of the virus split off onto its own evolutionary trajectory at about the same time modern humans separated from Neanderthals around 618,000 years ago.

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Scientists trace evolution of HPV to sex with Neanderthals. A new study shows an ancient version of the virus split off onto its own evolutionary trajectory at about the same time modern humans separated from Neanderthals around 618,000 years ago.