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Systematic Reviews
Published in: Systematic Reviews 1/2015

Open Access 01-12-2015 | Protocol

The burden of pertussis in low- and middle-income countries since the inception of the Expanded Programme on Immunization (EPI) in 1974: a systematic review protocol

Authors: Rudzani Muloiwa, Benjamin M Kagina, Mark E Engel, Gregory D Hussey

Published in: Systematic Reviews | Issue 1/2015

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Abstract

Background

Vaccine against pertussis has been in use for several decades. Despite the widespread use of pertussis vaccine, evidence shows resurgence of pertussis in high-income countries. Pertussis surveillance data is largely missing from low- and middle-income countries (LMICs). Without data on trends of pertussis, it is difficult to review and amend pertussis control policies in any country. We propose conducting a systematic review to evaluate the burden and trends of pertussis in LMICs since 1974.

Methods/design

Common and medical subject heading (MeSH) terms for pertussis and LMICs will be used to search electronic databases for the relevant literature published between 1974 and December 2014. Only studies from LMICs that fulfils World Health Organisation (WHO) or CDC pertussis case definitions will be included. The studies must have a clear numerator and denominator in a well-defined population.
Risk of bias will be evaluated by assessing all qualifying full-text articles for quality and eligibility using a modified quality score assessment tool.
Standardised data extraction will be carried out after which descriptions of trends in the prevalence, incidence, as well as mortality rate and case fatality rate, will be done. Where sufficient data is available, the results will be stratified by age group, geography, location, vaccination and HIV status.

Discussion

The systematic review proposed by this protocol seeks to address the knowledge gap in the epidemiology of pertussis in LMICs for the first time. It is anticipated that the background epidemiological trends of pertussis in LMICs that our study will provide could be used in the planning for the control of pertussis.

Systematic review registration

PROSPERO CRD42015015159
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Metadata
Title
The burden of pertussis in low- and middle-income countries since the inception of the Expanded Programme on Immunization (EPI) in 1974: a systematic review protocol
Authors
Rudzani Muloiwa
Benjamin M Kagina
Mark E Engel
Gregory D Hussey
Publication date
01-12-2015
Publisher
BioMed Central
Published in
Systematic Reviews / Issue 1/2015
Electronic ISSN: 2046-4053
DOI
https://doi.org/10.1186/s13643-015-0053-z

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