Rijksinstituut voor Volksgezondheid en Milieu Estimated incidence and number of outpatient visits for seasonal influenza in 2015-2016 in Beijing, China | RIVM Jaar: 2017 Estimated incidence and number of outpatient visits for seasonal influenza in 2015-2016 in Beijing, China | RIVM Bron: rivm.nl Download dossier (ZIP) · JSON