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Review
. 2019 Dec;8(4):499-541.
doi: 10.1007/s40121-019-00264-7. Epub 2019 Sep 18.

Immunological and Clinical Benefits of Maternal Immunization Against Pertussis: A Systematic Review

Charlotte Switzer  1 , Caroline D'Heilly  2 , Denis Macina  3
Affiliations
Review

Immunological and Clinical Benefits of Maternal Immunization Against Pertussis: A Systematic Review

Charlotte Switzer et al. Infect Dis Ther. 2019 Dec.

Abstract

Infants are vulnerable to pertussis infection particularly before initiation of pertussis vaccination. Maternal pertussis vaccination during pregnancy has been introduced in a number of countries in order to confer on young infants indirect protection from the disease through transplacental transfer of maternal antibodies. We reviewed the evidence on the immunogenicity and efficacy of maternal pertussis vaccination during pregnancy. A systematic search of PubMed/MEDLINE, EMBASE, Scopus, Cochrane Database of Systematic Reviews, ProQuest, and Science Direct was undertaken to identify studies published between January 1995 and December 2018. This review was not specific to any particular pertussis vaccine but included applicable data on available pertussis vaccines administered to pregnant women. The search identified 40 publications for inclusion in this review. Vaccination during pregnancy elicited robust maternal immune responses against all vaccine antigens and resulted in high placental transfer of pertussis antibodies to the infant that persisted well beyond delivery. Vaccination during the second or early third trimesters was considered ideal for antibody quantity and functionality. Although blunting of immune responses to some antigens in the primary immunization series was documented in neonates born to women vaccinated during pregnancy, there was no apparent adverse effect on vaccine efficacy. Multiple studies conducted in diverse settings have confirmed the effectiveness of maternal pertussis vaccination during pregnancy in preventing pertussis in infants prior to receipt of their first primary vaccine dose and beyond. These findings collectively underscore the value of maternal pertussis vaccination during pregnancy in protecting vulnerable infants too young to be vaccinated.Funding Sanofi Pasteur.Plain Language Summary Plain language summary available for this article.

Keywords: Efficacy; Immunization; Pertussis; Pregnancy.

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Conflict of interest statement

Charlotte Switzer is an employee of Sanofi Pasteur. Caroline D’Heilly is an employee of Sanofi Pasteur. Denis Macina is an employee of Sanofi Pasteur.

Figures

Fig. 1
Fig. 1
PRISMA diagram of results of search strategy
See this image and copyright information in PMC

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