ARVs anti-HIV therapy 3. World Health Organization (WHO) http://www.who.int/hiv/topics/treatment/en/ antiretroviral therapy World Health Organization anti-retroviral therapy antiretroviral therapy (ART) anti-retroviral therapy antiretroviral therapy antiretroviral therapy World Health Organization World Health Organization antiretroviral treatments (ARTs) ART Antiretroviral therapy (ART) World Health Organization World Health Organization World Health Organization 3. World Health Organization (WHO) antiretroviral therapy 3. World Health Organization (WHO) http://www.who.int/hiv/topics/treatment/en/ 3. World Health Organization (WHO) World Health Organization World Health Organization World Health Organization World Health Organization World Health Organization World Health Organization anti-retroviral therapy World Health Organization antiretroviral therapy Antiretroviral therapy (ART) http://who.int/hiv/topics/treatment/en antiretroviral therapy World Health Organization World Health Organization World Health Organization World Health Organization World Health Organization World Health Organization defined by the World Health Organization grown World Health Organization World Health Organization World Health Organization World Health Organization World Health Organization 3. World Health Organization (WHO) World Health Organization antiretroviral therapy (ART)