Neisseria meningitidis serogroup B vaccine formulations

摘要

Disclosed is a method of preparing a liquid adjuvated immunogenic composition, said method comprising mixing at the time of delivery: (i) an adjuvant comprising an oil-in-water emulsion and (ii) a lyophilised antigenic composition comprising at least one N.meningitidis immunogen from a serogroup B strain of N.meningitidis.