New Evidence Shows That HIV Rarely Spreads Heterosexually
By Andreas Moritz
In the developing world, the virus has existed for at least 65 years because HIV is rarely spread heterosexually. Research that studied the wives of infected hemophiliacs showed that an HIV-positive person requires over 1,000 unprotected sexual contacts with an HIV-negative person from the opposite sex to pass along the virus just once. In another surprise study, published in the Lancet, 1997, 349:851-2, French doctors at the Cochin-Port Royal hospital in Paris looked at the risk of […]