Quinvaxem(®) injection (DTwP-HepB-Hib fully-liquid combined vaccine) is a ready-to-use, preservative-free, fully-liquid combined vaccine containing diphtheria and tetanus toxoids, Bordetella pertussis inactivated cellular suspension, hepatitis B surface antigen (HBsAg), and Haemophilus influenzae type b conjugated oligosaccharide. The vaccine was the first ready-to-use, fully-liquid pentavalent vaccine to gain WHO pre-qualification status in 2006. The immunogenicity and safety of Quinvaxem(®) was assessed in four clinical trials and a large post-marketing surveillance study. Quinvaxem(®) was found to be highly immunogenic in each of the primary vaccination studies and was also shown to be suitable as a booster with the advantage that it could be given concomitantly with measles vaccine. Quinvaxem(®) has become a cornerstone in EPI vaccination programs. To further support the needs of EPI vaccination processes and developing countries, a simple, all-in-one, compact, prefilled, auto-disabled Uniject(®) injection system has been chosen and optimized as a potential new presentation for Quinvaxem(®). Hopefully, Quinvaxem(®) in the Uniject(®) presentation will help vaccination programs in developing countries to achieve more.
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