News Epidemiological update: Hepatitis A outbreak in the EU/EEA mostly affecting men who have sex with men Epidemiological update - 12 Sep 2018 As of 7 September 2018, the number of outbreak-confirmed cases reported in 22 EU/EEA countries since 1 June 2016 is 4 475. EU/EEA Hepatitis A Public health threat Sexually transmitted infections Surveillance