In settings involving prostitution in low income countries, risk of female-to-male transmission has been estimated as 2.4% per act and male-to-female transmission as 0.05% per act.
Nos casos en que está implicada a prostitución nos países con baixos ingresos, o risco de transmisión de muller a home calculouse en 2,4% por acto e de home a muller en 0,05% por acto.