Rijksinstituut voor Volksgezondheid en Milieu Novel emm 4 lineage associated with an upsurge in invasive group A streptococcal disease in the Netherlands, 2022 | RIVM Jaar: 2023 Novel emm 4 lineage associated with an upsurge in invasive group A streptococcal disease in the Netherlands, 2022 | RIVM Bron: rivm.nl Download dossier (ZIP) · JSON