Archive for July, 2011

This Post Won’t Go Viral

Sunday, July 31st, 2011
This Post Won’t Go Viral

Sometime during the late 19th or early 20th century, a simian immunodeficiency virus that infects wild chimpanzees made the jump to humans who hunted the animals. The mutated human strains spread from one individual to the next through intimate contact — usually unprotected sex or needle sharing — often leaving carriers absent of symptoms for... »

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