New Haven;
Australia;
Yale Sch Publ Hlth;
Minist Hlth;
NCCD;
New Vaccines Grp;
Papua N Guinea;
Vic;
Infect & Immun Unit;
CT USA;
Mongolia;
Fiji;
Dept Epidemiol Microbial Dis;
Suva;
Papua New Guinea Inst Med Res;
Ulaanbaatar;
Murdoch Childrens Res Inst;
Goroka;
Melbourne;
Minist Hlth & Med Serv;
关键词：
Nasopharyngeal carriage;
Low- and middle-income countries;
Pneumococcal vaccines;
期刊名称：
Vaccine
i s s n：
0264-410X
年卷期：
2019 年
37 卷
43 期
页 码：
6299-6309
页 码：
摘 要：
Pneumococcal disease is a leading cause of childhood mortality, globally. The pneumococcal conjugate vaccine (PCV) has been introduced to many countries worldwide. However there are few studies evaluating PCV impacts in low- and middle-income countries (LMIC) because measuring the impact of PCV on pneumococcal disease in LMICs is challenging. We review the role of pneumococcal carriage studies for the evaluation of PCVs in LM1C5 and discuss optimal methods for conducting these studies. Fifteen carriage studies from 13 LMICs quantified the effects of PCV on carriage, and identified replacement carriage serotypes in the post-PCV era. Ten studies reported on the indirect effects of PCV on carriage. Results can be used to inform cost-effectiveness evaluations, guide policy decisions on dosing and product, and monitor equity in program implementation. Critically, we highlight gaps in our understanding of serotype replacement disease in LMICs and identify priorities for research to address this gap. (C) 2019 The Authors. Published by Elsevier Ltd.
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