The present invention relates to an immuno-protective and non-toxic Gram-negative bleb vaccine suitable for paediatric use. Examples of the Gram-negative strains from which the blebs are made are N. meningitidis, M. catarrhalis and H. influenzae. The blebs of the invention have one or more genetic changes in the chromosome of the bacterium, including up-regulation of protective antigens, down-regulation of immunodominant non-protective antigens, and detoxification of the Lipid A moiety of LPS.
申请公布号
NO20020506(D0)
申请公布日期
2002.01.31
申请号
NO20020000506
申请日期
2002.01.31
申请人
SMITHKLINE BEECHAM BIOLOGICALS SA
发明人
BERTHET, FRANCOIS-XAVIER JACQUES;DALEMANS, WILFRIED L J;DENOEL, PHILIPPE;DEQUESNE, GUY;FERON, CHRISTIANE;LOBET, YVES;POOLMAN, JAN;THIRY, GEORGES;THONNARD, JOELLE;VOET, PIERRE