Table 1.

Intervention Effectiveness Parameters Assumed in Model

Parameter	Value	Range	Source
Reduction in sexual infectivity due to antiretroviral therapy (ART)	96 %	73–99 %	32
Reduction in HIV acquisition among men due to circumcision	50 %	28–66 %	7–10
Reduction in HIV acquisition among women due to vaginal microbicide (tenofovir gel)	39 %	6–60 %	11
Reduction in HIV acquisition due to oral pre-exposure prophylaxis (PrEP)
High adherence	67 %	44–81 %	13–15,33
Low adherence	21 %	–31–52 %	13–15,33
Condom use among status-unaware persons	25 %	20–50 %	28,34,35
Condom use among status-aware persons
Uninfected	25 %	20–50 %	28,34,35
HIV-infected	50 %	25–75 %	28,34,35