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Published on: November 5, 2019
Meningococcal serogroup B infections: a search for a broadly protective vaccine
Clementien L Vermont1, Germie P J M van den Dobbelsteen
1Erasmus MC/Sophia Children's Hospital, Department of Pediatrics, Room Sb 2670, PO Box 2060, 3000 CB Rotterdam, The Netherlands. c.vermont@erasmusmc.nl
Abstract:
Meningococcal disease is mainly caused by serogroup B in many West European countries. Recently, a highly efficacious vaccine against infections caused by serogroup C has been introduced in the UK and The Netherlands. However, an effective vaccine against serogroup B has not yet become available. Outer membrane vesicle vaccines against serogroup B were previously tested in large Phase III trials but showed a low efficacy in young children. In addition, the high variability of the vaccines' main component, porin A, potentially diminishes its efficacy. Therefore, several approaches in either optimizing these outer membrane vesicle vaccines or searching for novel, highly conserved antigens are currently under investigation. The sequencing of the meningococcal genome has provided new opportunities to detect additional immunogenic epitopes. In this review, the developments in the search for a broadly protective meningococcal serogroup B vaccine will be discussed.
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