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.

In 2013, WHO published consolidated guidelines on the use of antiretrovirals that promote earlier, simpler and less toxic interventions to keep people healthier for longer, and to help prevent HIV transmission. A growing number of countries with a high burden of HIV have adopted these guidelines. In 2013, a record 13 million people were able to access life-saving ARVs.

But too many people still lack access to comprehensive HIV treatment and prevention services. The 1 December supplement to the WHO consolidated guidelines on the use of antiretroviral drugs for treating and preventing HIV infection, released in June 2013, aims to help bridge that gap.