Application of a vaginal gel containing tenofovir (a reverse transcriptase inhibitor) immediately before sex seems to reduce infection rates by approximately 40% among African women.
A aplicación dun xel vaxinal que conteña tenofovir (un inhibidor da transcritase inversa) inmediatamente antes da relación sexual parece reducir as taxas de infección en aproximadamente o 40% entre as mulleres africanas.