Stall, R and Wei, C and Raymond, HF and McFarland, W
(2011)
Do rates of unprotected anal intercourse among HIV-positive MSM present a risk for hepatitis C transmission?
Sexually Transmitted Infections, 87 (5).
439 - 441.
ISSN 1368-4973
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Abstract
Objectives: To compare the rates of unprotected anal intercourse (UAI) among men who have sex with men (MSM) in HIV-seropositive sexual relationships with that among men in HIV-seronegative and serodiscordant relationships in the context of an emerging hepatitis C virus (HCV) epidemic among HIV-positive MSM. Methods: Time-location sampling was used to obtain a cross-sectional sample of MSM who attended public venues in San Francisco between November 2007 and October 2008 (N=1199). Behavioural measures of sexual risk-taking at the level of the sexual dyad were administered to the sample. Results: Men in HIV-positive/positive sexual relationships are significantly more likely to have UAI and combine sex and drugs than men in negative/negative sexual relationships. Conclusions: If it is possible to spread HCV infection between HIV-positive men via UAI, very high levels of behavioural risk among positive MSM should exist to facilitate HCV transmission. Identifying the precise behavioural risk factors for HCV among HIV-positive MSM has become an important public health priority.
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