An experimental outer membrane vesicle vaccine from N. meningitidis serogroup B strains that induces serum bactericidal activity to multiple serogroups

► NOMV from serogroup B N. meningitidis strains offers broad serogroup B protection. ► NOMV from serogroup B strains also protect against serogroups C, Y and W. ► NOMV from serogroup B strains also protect against epidemic serogroup X. ► NOMV from serogroup B strains also protect against the NadA+serogroup A strains. ► NOMV can potentially protect against multiple N. meningitidis serogroups.