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Published on: July 31, 2021
Protection of the Newborn Through Vaccination in Pregnancy
Bahaa Abu-Raya1,2, Kirsten Maertens3
1Department of Pediatrics, University of British Columbia, Vancouver, British Columbia, Canada.
Insights
Vaccinating pregnant women protects newborns from serious infections like pertussis and influenza. New vaccines aim to further reduce infant risks from respiratory syncytial virus and group B Streptococcus.
Area of Science:
- Immunology and Public Health
- Maternal and Neonatal Health
Background:
- Newborns and infants are highly susceptible to severe infections from pathogens such as Bordetella pertussis, influenza, respiratory syncytial virus, and group B Streptococcus.
- A critical window of vulnerability exists in early life, necessitating protective strategies against common infectious agents.
Purpose of the Study:
- To review currently recommended vaccines administered during pregnancy.
- To highlight the benefits of maternal vaccination for newborns and infants.
- To discuss advancements in developing new vaccines targeting infant infections.
Main Methods:
- Review of existing literature and public health recommendations on vaccines during pregnancy.
- Analysis of the impact of maternal immunization on infant infectious disease burden.
- Examination of ongoing research and development in maternal vaccine candidates.
Main Results:
- Maternal vaccination against diseases like influenza, pertussis, and tetanus has proven successful in reducing infant susceptibility.
- Emerging vaccines show promise in decreasing the incidence of respiratory syncytial virus and group B Streptococcus infections in infants.
Conclusions:
- Vaccination during pregnancy is a key strategy to protect vulnerable newborns and infants from severe infections.
- Continued research and development of maternal vaccines are crucial for further enhancing infant protection against infectious diseases.
Abstract:
Newborns and infants are at risk for severe infections with some pathogens (eg, Bordetella pertussis, influenza, respiratory syncytial virus, group B Streptococcus) during early life. To decrease this window of high susceptibility to some infections during early life and protect young infants, vaccination in pregnancy against some vaccine-preventable diseases (eg, influenza, pertussis, tetanus) has been recommended in an increasing number of countries with notable success. In addition, recent advances have been made in developing vaccines for pregnant women with the aim of reducing the respiratory syncytial virus and group B Streptococcus burden in infancy. In this article, we review the vaccines currently recommended during pregnancy and their benefits to newborns and infants. We also discuss progress made in the development of other vaccines that are expected to be evaluated in pregnant women in the near future.
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