Estimating the magnitude of STD cofactor effects on HIV transmission: how well can it be done?


BACKGROUND If sexually transmitted disease (STD) cofactor effects are strong and STDs are highly prevalent, STD control can be a strategy for HIV prevention. OBJECTIVE To review possibilities for estimating cofactor effects of STDs on HIV transmission based on observational studies. STUDY DESIGN This study consisted of an analysis of factors influencing… (More)


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