FORMULATION OF MENINGITIS VACCINES CONTAINING HAEMOPHILUS INFLUENZAE AND NEISSERIA MENINGITIDIS

摘要

Provided is a method for preparing an immunogenic composition or a combined vaccine, said method comprising combining (i) an aqueous component comprising a conjugate of a Haemophilus influenzae type B capsular saccharide, and (ii) a lyophilised component comprising a conjugate of a Neisseria meningitidis capsular saccharide.