van Os, Jelmer de Jong, Hanna K. Pellejero-Sagastizabal, Galadriel Paño-Pardo, José Ramón Lescure, F-Xavier Hanscheid, Thomas Grobusch, Martin P. Goorhuis, Abraham Analysing outbreak signals, 2013–2024: The amsterdam UMC centre for Tropical Medicine and Travel Medicine Epi Alert programme – an observational study 10.1016/j.nmni.2026.101756 2026 2026