Current hepatitis E virus seroprevalence in Swiss blood donors and apparent decline from 1997 to 2016 Niederhauser, Christoph and Widmer, Nadja and Hotz, Magdalena and Tinguely, Caroline and Fontana, Stefano and Allemann, Gabrielle and Borri, Mauro and Infanti, Laura and Sarraj, Amira and Sigle, Jörg and Stalder, Michèle and Thierbach, Jutta and Waldvogel, Sophie and Wiengand, Tina and Züger, Max and Gowland, Peter, Eurosurveillance, 23, 1700616 (2018), https://doi.org/10.2807/1560-7917.ES.2018.23.35.1700616