Cockx, MaaikeHaerynck, FilomeenHoste, LeviSchrijvers, RikVan der Werff Ten Bosch, JutteDillaerts, DoreenThomas, DebbySchaballie, HeidiBucciol, GiorgiaRobberechts, WiertPatel, DinaBerbers, GuyDesombere, IsabelleGeukens, NickMeyts, IsabelleBossuyt, Xavier2023-09-252023-09-252023-09-213773138810.1515/cclm-2023-0626http://hdl.handle.net/10029/626957en© 2023 Walter de Gruyter GmbH, Berlin/Boston.DTaP/Tdap vaccinePCV15/20Pneumovaxmultiplex assayspneumococcal polysaccharidesprimary immunodeficiency diagnosisCombined deficient response to polysaccharide-based and protein-based vaccines predicts a severe clinical phenotype.Article1437-4331Clin Chem Lab Med 2023; 62(1):138-149