The potential value of PrEP as an intervention in Western MSM populations has recently been conclusively demonstrated (PROUD – 86% (PROUD study/STIs/blog)), despite results from a whole series of trials in sub-Saharan African populations that seemed to cast doubt on its likely efficacy (CAPRISA 004 – 39%; iPrEX – 44%; CDC TDF2 – 62%; Partners-PrEP – 75%; FEM-PrEP – 0%; VOICE– 0%). The difference in […]