Hypersensitivity. Not to be administered SC, intravascularly or intradermally. Not for protection against infections caused by any other serogroups of
N meningitidis not present in vaccine. Individuals w/ familial complement deficiencies, functional or anatomical asplenia. Syncope; thrombocytopenia, bleeding disorders. Immunocompromised patients. Avoid injury from fainting. Concomitant use w/ anticoagulant therapy. May affect ability to drive & use machines. Pregnancy. Childn <2 yr. Elderly >65 yr.