Sexual behavior and expected HIV-1 transmissions in one year, stratified by CD4 count and plasma viral load.

**Data were weighted 100,000/2484 to estimate transmissions in a population of 100,000; The estimated per-act infectivity without a condom was 0.00094 for a person with viral load of 10,000 copies/mL and 0.00178 for a person with viral load of 50,000 copies/mL [9].***Reported = as reported in the Partners in Prevention HSV/HIV Transmission Study (77% of acts were reported protected), half = half the reported frequency of condom use in Partners in Prevention HSV/HIV Transmission Study, none = no condom use.