Hepatitis A outbreak disproportionately affecting men who have sex with men (MSM) in the European Union and European Economic Area, June 2016 to May 2017 Ndumbi, Patricia and Freidl, Gudrun S and Williams, Christopher J and Mårdh, Otilia and Varela, Carmen and Avellón, Ana and Friesema, Ingrid and Vennema, Harry and Beebeejaun, Kazim and Ngui, Siew Lin and Edelstein, Michael and Smith-Palmer, Alison and Murphy, Niamh and Dean, Jonathan and Faber, Mirko and Wenzel, Jürgen and Kontio, Mia and Müller, Luise and Midgley, Sofie Elisabeth and Sundqvist, Lena and Ederth, Josefine Lundberg and Roque-Afonso, Anne-Marie and Couturier, Elisabeth and Klamer, Sofieke and Rebolledo, Javiera and Suin, Vanessa and Aberle, Stephan W. and Schmid, Daniela and De Sousa, Rita and Augusto, Gonçalo Figueiredo and Alfonsi, Valeria and Del Manso, Martina and Ciccaglione, Anna Rita and Mellou, Kassiani and Hadjichristodoulou, Christos and Donachie, Alastair and Borg, Maria-Louise and Sočan, Maja and Poljak, Mario and Severi, Ettore and Members of the European Hepatitis A Outbreak Investigation Team, Eurosurveillance, 23, 1700641 (2018), https://doi.org/10.2807/1560-7917.ES.2018.23.33.1700641