Buisman, AMrivmAbbink, FSchepp, RMrivmSonsma, JAJHerremans, TrivmKimman, TG2025-03-192025-03-1920081827905010.1086/527487https://rivm.openrepository.com/handle/10029/643117Preexisting poliovirus-specific IgA in the circulation correlates with protection against virus excretion in the elderlyArticleJ Infect Dis 2008; 197(1):698-7062025-03-19