Capturing respiratory syncytial virus season in Belgium using the influenza severe acute respiratory infection surveillance network, season 2018/19., Subissi, Lorenzo, Bossuyt Nathalie, Reynders Marijke, Gerard Michèle, Dauby Nicolas, Bourgeois Marc, Delaere Bénédicte, Quoilin Sophie, Van Gucht Steven, Thomas Isabelle, et al. , Euro Surveill, 2020 10, Volume 25, Issue 39, (2020)