Klebsiella capsular polysaccharide vaccines and their preparation

摘要

An immunogenic Klebsiella polyvalent vaccine is provided comprising relatively pure capsular polysaccharides of serotypes 2, 3, 5, 9, 10, 15, 16, 17, 18, 21, 22, 25, 28, 30, 35, 43, 52, 53, 55, 60, 61, 62, 63 and 64.