CDC promotes pre-exposure prophylaxis for HIV prevention.

The US Centers for Disease Control and Prevention (CDC) has issued guidance for the broad use of pre-exposure prophylaxis for HIV prevention—better known by the shorthand PrEP—which builds on interim guidance issued in 2012. Truvada is a single pill containing two commonly used HIV drugs, tenofovir and emtricitabine, and it is the only product that currently carries a label indication for PrEP, although studies of other drugs for PrEP are under way. When taken daily it provides greater than 90% protection against HIV infection. The new guidance recommended PrEP as an option for four groups of people: • Anyone in an ongoing sexual relationship with an HIV infected partner;