Amount of AIDS virus in genital secretions predicts risk of heterosexual transmission

In a study that took place in seven African countries, higher concentrations of the AIDS virus in genital secretions were linked to a greater risk of virus transmission between opposite-sex couples. The effect is independent of blood levels of the virus. The findings point to research strategies to make HIV positive people less infectious to their partners. The genital HIV levels may be a marker of effectiveness in testing preventive strategies.

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