“We found condoms reduced the per-act risk of [HSV-2] transmission by 65% from women to men and by 96% from men to women,” Helen Rees, MD, executive director of the Wits Reproductive Health and
HIV Institute, University of Witwatersrand in
Johannesburg, South Africa, and colleagues wrote.
The risk for transmission from women to men was 1.7 transmissions per 1,000 unprotected sex acts (95% CI, 0.6-4.4) and 0.6 per 1,000 protected sex acts (95% CI, 0.2-1.