Rijksinstituut voor Volksgezondheid en Milieu Preexisting poliovirus-specific IgA in the circulation correlates with protection against virus excretion in the elderly | RIVM Jaar: 2008 Preexisting poliovirus-specific IgA in the circulation correlates with protection against virus excretion in the elderly | RIVM Bron: rivm.nl Download dossier (ZIP) · JSON