Mollers, M, Barnadas, C, Broberg, E K, Penttinen, P, European Influenza Surveillance Network, Teirlinck, A C & Fischer, T K 2019, ' Current practices for respiratory syncytial virus surveillance across the EU/EEA Member States, 2017 ', Eurosurveillance, vol. 24, no. 40 . https://doi.org/10.2807/1560-7917.ES.2019.24.40.1900157 Eurosurveillance