Rijksinstituut voor Volksgezondheid en Milieu Effects of COVID-19 vaccination and previous infection on Omicron SARS-CoV-2 infection and relation with serology | RIVM Jaar: 2023 Effects of COVID-19 vaccination and previous infection on Omicron SARS-CoV-2 infection and relation with serology | RIVM Bron: rivm.nl Download dossier (ZIP) · JSON