abstract |
The present invention relates to the field of pneumococcal capsular saccharide conjugate vaccines. In particular, the multivalent S. pneumoniae immunogen composition provided has a plurality of bound capsular saccharides from different S. pneumoniae serotypes in combination with two or more different carrier proteins, wherein the composition comprises Diphtheria toxoid (DT) or CRM197 combined serotype 19F capsular saccharide, where 19F is the only sugar in the composition that binds to diphtheria toxoid (DT) or CRM197. |