scholarly journals Maternal immunization against Group B streptococcus: World Health Organization research and development technological roadmap and preferred product characteristics

Vaccine ◽  
2019 ◽  
Vol 37 (50) ◽  
pp. 7391-7393 ◽  
Author(s):  
Johan Vekemans ◽  
Vasee Moorthy ◽  
Martin Friede ◽  
Mark R. Alderson ◽  
Ajoke Sobanjo-Ter Meulen ◽  
...  
2019 ◽  
Vol 69 (5) ◽  
pp. 877-883 ◽  
Author(s):  
Johan Vekemans ◽  
Fernando Gouvea-Reis ◽  
Jerome H Kim ◽  
Jean-Louis Excler ◽  
Pierre R Smeesters ◽  
...  

Abstract Group A Streptococcus (GAS) infections result in a considerable underappreciated burden of acute and chronic disease globally. A 2018 World Health Assembly resolution calls for better control and prevention. Providing guidance on global health research needs is an important World Health Organization (WHO) activity, influencing prioritization of investments. Here, the role, status, and directions in GAS vaccines research are discussed. WHO preferred product characteristics and a research and development technology roadmap, briefly presented, offer an actionable framework for vaccine development to regulatory and policy decision making, availability, and use. GAS vaccines should be considered for global prevention of the range of clinical manifestations and associated antibiotic use. Impediments related to antigen diversity, safety concerns, and the difficulty to establish vaccine efficacy against rheumatic heart disease are discussed. Demonstration of vaccine efficacy against pharyngitis and skin infections constitutes a key near-term strategic goal. Investments and collaborative partnerships to diversify and advance vaccine candidates are needed.


Vaccine ◽  
2019 ◽  
Vol 37 (50) ◽  
pp. 7408-7418 ◽  
Author(s):  
Sami L. Gottlieb ◽  
Birgitte K. Giersing ◽  
Julian Hickling ◽  
Rebecca Jones ◽  
Carolyn Deal ◽  
...  

Vaccine ◽  
2020 ◽  
Vol 38 (2) ◽  
pp. 135-142 ◽  
Author(s):  
Johan Vekemans ◽  
Michael James Brennan ◽  
Mark Hatherill ◽  
Lewis Schrager ◽  
Bernard Fritzell ◽  
...  

2000 ◽  
Vol 125 (3) ◽  
pp. 549-554 ◽  
Author(s):  
E. GOMEZ ◽  
M. PEGUERO ◽  
J. SANCHEZ ◽  
P. L. CASTELLANOS ◽  
J. FERIS ◽  
...  

Quantifying the local burden of disease is an important step towards the introduction of new vaccines, such as Haemophilus influenzae type b (Hib) conjugate vaccine. We adapted a generic protocol developed by the World Health Organization for population-based surveillance of bacterial meningitis. All hospitals that admit paediatric patients with meningitis in the National District, Dominican Republic were included in the system and standard laboratory methods were used. The system identified 111 cases of confirmed bacterial meningitis. Hib was the leading cause of bacterial meningitis, followed by group B streptococcus, S. pneumoniae, and N. meningitidis. Unlike hospital-based case series, this population-based system was able to calculate incidence rates. The incidence of Hib meningitis was 13 cases per 100 000 children < 5 years old. The data from this study were used by the Ministry of Health to support the introduction of routine Hib vaccination and will be used to monitor its effectiveness.


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