PozNews - HIV News - STD News: A Major Factor Affecting Risk Of Sexually Transmitting HIV Is Viral Load; Condom Use Significantly Reduces Risk A Major Factor Affecting Risk Of Sexually Transmitting HIV Is Viral Load; Condom Use Significantly Reduces Risk ================================================================================ Medical News Today on 13 January, 2012 12:00:00 The level of HIV-1 in the blood of an HIV-infected partner is the single most important factor influencing risk of sexual transmission to an uninfected partner, according to a multinational study of heterosexual couples in sub-Saharan Africa...