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Hepatitis C virus spread from HIV-positive to HIV-negative men who have sex with men

Abstract : The aim of this study was to evaluate the potential transmission of HCV strains between HIV-positive men who have sex with men (MSM) and HIV-negative MSM. Since 2000, an ongoing epidemic of HCV infections is observed among HIV-positive MSM in high-income countries. However, HCV infections in HIV-negative MSM are investigated to a lesser extent due to the lack of follow-up in this population and only limited information is available on the risk of HCV transmission between HIV-positive MSM and HIV-negative MSM. We enrolled 49 MSM of which 43 were HIV-positive and 6 HIV-negative, including 4 being enrolled or waiting for enrolment in a preexposure prophylaxis (PrEP) program. All patients were diagnosed with acute HCV infection at the Infectious Disease Unit at the Hospices Civils de Lyon from 2014 to 2016. Risk factors for HCV infection were similar in both groups and included IV or nasal drug use, and rough sex practices. Typing and phylogenetic cluster analysis of HCV variants were performed by NS5B sequencing. Several clusters of infections were identified (genotype 1a: 3 clusters and 1 pair; genotype 4d: 1 cluster and 2 pairs), suggesting that several transmission events occurred within the study population. Every HCV strain identified in HIV-negative MSM was included in a cluster with HIV-positive MSM. Chronological analysis of contagiousness suggested the transmission of HCV from HIV-positive to HIV-negative patients. We conclude that recommendations for HCV surveillance should not be confined to HIV-positive MSM but should be extended to HIV-negative MSM with similar risk factors.
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https://hal.archives-ouvertes.fr/hal-01911333
Contributor : Laure-Hélène Davoine Connect in order to contact the contributor
Submitted on : Friday, November 2, 2018 - 4:39:15 PM
Last modification on : Wednesday, November 3, 2021 - 4:34:12 AM

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Caroline Charre, Laurent Cotte, Rolf Kramer, Patrick Miailhes, Matthieu Godinot, et al.. Hepatitis C virus spread from HIV-positive to HIV-negative men who have sex with men. PLoS ONE, Public Library of Science, 2018, 13 (1), pp.e0190340. ⟨10.1371/journal.pone.0190340⟩. ⟨hal-01911333⟩

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