Emtricitabine
Serodiscordant
Pre-exposure prophylaxis
Medicine
Human immunodeficiency virus (HIV)
Male circumcision
Psychological intervention
Men who have sex with men
Tenofovir
Microbicides for sexually transmitted diseases
Public health
Demography
Family medicine
Gynecology
Population
Environmental health
Antiretroviral therapy
Viral load
Health services
Psychiatry
Syphilis
Nursing
Sociology
