Preventing HIV transmission with antiretrovirals

Three of the most extraordinary events in global health over the past 30 years have been the emergence of the pan-demic of HIV/AIDS, the development of antiretroviral therapy (ART) capable of arresting HIV progression and reduc-ing mortality, and scale-up of therapy in low- and middle-income countries. By the end of 2007, approximately 3 million people were accessing ART in resource-constrained settings,