R H Gray 1 , M J Wawer , R Brookmeyer , N K Sewankambo , D Serwadda , F Wabwire-Mangen , T Lutalo , X Li , T vanCott , T C Quinn
Apr 14 2001
The probability of HIV-1 transmission per coital act in representative African populations is unknown. We aimed to calculate this probability overall, and to estimate how it is affected by various factors thought to influence infectivity.