High Transmissibility During Early HIV Infection Among Men Who Have Sex With Men—San Francisco, California

We estimate the relative transmission rate in early versus later infection among men who have sex with men (MSM) in San Francisco, California, by studying the characteristics of a sample of transmitters, recruited through newly diagnosed, recently infected MSM between 1996 and 2009. Of 36 transmitte...

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Detalles Bibliográficos
Autores principales: Hollingsworth, T. Déirdre, Pilcher, Christopher D., Hecht, Frederick M., Deeks, Steven G., Fraser, Christophe
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2015
Materias:
Major Articles and Brief Reports
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4425938/
https://www.ncbi.nlm.nih.gov/pubmed/25542958
http://dx.doi.org/10.1093/infdis/jiu831
Descripción
Sumario:We estimate the relative transmission rate in early versus later infection among men who have sex with men (MSM) in San Francisco, California, by studying the characteristics of a sample of transmitters, recruited through newly diagnosed, recently infected MSM between 1996 and 2009. Of 36 transmitters identified, 9 were determined on the basis of testing history and serologic testing to have been recently infected. The unadjusted odds ratio of transmitting during early infection was 15.2 (95% confidence interval [CI], 6.3–33.4; P < .001); the odds ratio was 8.9 (95% CI, 4.1–19.4) after adjustment for self-reported antiretroviral treatment. This high transmissibility could be due to both high infectiousness and high rates of sex partner change or concurrent partnerships.

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