Patent ID: 8529908

Claim:
A method for immunising a human patient against a disease caused by Neisseria meningitidis , comprising the step of administering to the human patient a composition that comprises at least two of: (a) a conjugate of (i) the capsular saccharide of serogroup A N. meningitidis and (ii) a tetanus toxoid carrier; (b) a conjugate of (i) the capsular saccharide of serogroup C N. meningitidis and (ii) a tetanus toxoid carrier; (c) a conjugate of (i) the capsular saccharide of serogroup W135 N. meningitidis and (ii) a tetanus toxoid carrier; and (d) a conjugate of (i) the capsular saccharide of serogroup Y N. meningitidis and (ii) a tetanus toxoid carrier, wherein the patient has been pre-immunised with (x) a non-conjugated tetanus toxoid antigen and/or (y) a conjugate of (i) a capsular saccharide of an organism other than N. meningitidis and (ii) a tetanus toxoid carrier, wherein the patient was pre-immunised at least six months before the method.