klebsiella polyvalent vaccine

Klebsiella polyvalent vaccine refers to experimental vaccines designed to protect against multiple serotypes of Klebsiella species, particularly Klebsiella pneumoniae. These vaccines are typically composed of capsular polysaccharides (CPS) or O-antigen polysaccharides from several different K antigen serogroups or serotypes. The mechanism of action is based on inducing an immune response against the bacterial capsule or surface antigens, thereby preventing infection by a broad range of Klebsiella strains. Polyvalent formulations have included up to 12 different K antigens and have shown protection in animal models, though the duration of immunity may be short-lived. No such vaccines are currently approved for human use; development remains preclinical and investigational[1][3][6]. Companies like Omniose are actively developing multivalent bioconjugate versions targeting both capsular and O-antigen polysaccharides[6].

Other names

klebsiella polyvalent cps vaccineklebsiella pneumoniae polyvalent vaccine