On World AIDS Day 2014 WHO will release new guidelines on providing antiretrovirals (ARVs) as an emergency prevention following HIV exposure, and on the use of the antibiotic co-trimoxazole to prevent HIV-related infections.

The guidelines provide advice on providing ARVs as post-exposure prophylaxis (“PEP”) for people who have been exposed to HIV – such as health workers, sex workers, and survivors of rape.