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Ancient hominid 'hanky panky' also influenced spread of STIs

(Molecular Biology and Evolution (Oxford University Press)) With recent studies proving that almost everyone has a little bit of Neanderthal DNA in them (up to 5 percent), it's become clear our ancestors displayed hominid hanky panky, and with it, a potential downside, the spread of sexually transmitted infections. By reconstructing the evolutionary ancestry and timing of HPV, the most common STI, researchers have now generated compelling evidence that HPV co-diverged with archaic and modern humans -- only to be repopulated at a much later date through their contact by Neanderthals.
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