Rijksinstituut voor Volksgezondheid en Milieu Booster Immunization Improves Memory B Cell Responses in Older Adults Unresponsive to Primary SARS-CoV-2 Immunization | RIVM Jaar: 2023 Booster Immunization Improves Memory B Cell Responses in Older Adults Unresponsive to Primary SARS-CoV-2 Immunization | RIVM Bron: rivm.nl Download dossier (ZIP) · JSON