Ongoing mumps outbreak in Novi Sad, the autonomous province of Vojvodina, Serbia, January to April 2012 Rajčević, S and Šeguljev, Z and Petrovic, V and Medić, S and Nedelijković, J and Milošević, V and Turo, L and Ristić, M, Eurosurveillance, 17, 20169 (2012), https://doi.org/10.2807/ese.17.19.20169-en