Published in
European Centre for Disease Prevention and Control, Eurosurveillance, 48(22), 2017
DOI: 10.2807/1560-7917.es.2017.22.48.17-00742
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Hepatitis A outbreak in HIV-infected MSM and in PrEP-using MSM despite a high level of immunity, Lyon, France, January to June 2017
,
Anne-Marie Roque-Afonso,
Christian Chidiac,
Fabien Zoulim,
Matthieu Godinot,
Joseph Koffi,
Caroline Scholtès,
Jean-Michel Livrozet,
Hav Lyon Study Group,
Laurent Cotte
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Abstract
Since 2016, an increase in the number of hepatitis A cases affecting mainly men who have sex with men (MSM) has been reported in low endemic countries in Europe. We calculated the attack rate in Lyon, France, in populations considered at high-risk: HIV-infected MSM and HIV-negative MSM receiving HIV pre-exposure prophylaxis (PrEP). In these populations, high level of immunity did not prevent the outbreak, indicating that vaccination should be reinforced, particularly in younger individuals.