We determined whether racial disparities in HIV infection among gay and bisexual men
(MSM) may be partially explained by racial differences in the HIV transmission potential (ie …

Objectives: To measure the level of sexual partner concurrency and assess its potential role
in explaining disparities in HIV prevalence by race/ethnicity among men who have sex with …

Disparity in HIV prevalence by race/ethnicity has been noted among men who have sex with
men for almost 20 years. Research suggests that rather than individual risk behaviors …

The role of sexual networks in the epidemiology of human immunodeficiency virus (HIV)
among black men who have sex with men (MSM) is poorly understood. Using data from …

In a community-based survey in San Francisco, black men who have sex with men (MSM)
had higher rates of same-race/ethnicity sexual partnerships and partners 10 or more years …

Mixing patterns within sexual networks have been shown to have an effect on HIV
transmission, both within and across groups. This study examined sexual mixing patterns …

Large disparities exist in HIV across racial and ethnic populations—with Black and Latino
populations disproportionately affected. This study utilizes a large cohort of young men who …

Community sexual bridging may influence the socio-geographic distribution of
heterosexually transmitted HIV. In a cross-sectional study, heterosexual adults at high-risk of …

We conducted a cross-sectional survey of MSM using a time-location-sampling design in
San Francisco during 2007–2008. The investigation focused on the selection of sexual …

Purpose: Human immunodeficiency virus (HIV) disproportionately affects men who have sex
with men (MSM) in the United States. Most prior research into drivers of HIV transmission …