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Vaccination strategies to enhance immunity in neonates

Tobias R Kollmann1, Arnaud Marchant2, Sing Sing Way3

  • 1Systems Vaccinology, Telethon Kids Institute, Nedlands, WA 6009, Australia. tobias.kollmann@telethonkids.org.au marchant@ulb.be singsing.way@cchmc.org.

Science (New York, N.Y.)
|May 9, 2020
PubMed

Insights

Neonates face high infection risks. New vaccine strategies, including maternal vaccination and broad immune stimulation, aim to protect newborns during their vulnerable early weeks of life.

Area of Science:

  • Immunology
  • Neonatal Health
  • Vaccinology

Background:

  • Neonates are highly susceptible to infections, posing a significant global health challenge.
  • Current vaccines often do not cover prevalent neonatal pathogens or elicit timely protection due to developmental immaturity.
  • The window of vulnerability in early life necessitates novel protective strategies beyond conventional vaccination.

Purpose of the Study:

  • To explore alternative vaccination strategies for enhancing neonatal protection against infections.
  • To discuss pathogen-agnostic immune stimulation and maternal vaccination for passive immunity transfer.
  • To identify knowledge gaps and outline future research directions in neonatal vaccinology.

Main Methods:

  • Review of current literature on neonatal immunity and vaccine responses.
  • Analysis of proposed alternative strategies: pathogen-agnostic vaccination and antenatal immunization.
  • Discussion of the synergistic potential of combining maternal and neonatal vaccination approaches.

Main Results:

  • Existing vaccines are insufficient for protecting neonates against major infectious agents.
  • Maternal vaccination offers passive immunity transfer, protecting infants during their critical early period.
  • Pathogen-agnostic approaches and combined strategies show promise for broader, more immediate protection.

Conclusions:

  • Novel vaccination strategies are crucial to address the high burden of neonatal infections.
  • Maternal immunization and pathogen-agnostic approaches represent promising avenues for enhancing neonatal immunity.
  • Further research is needed to optimize and integrate these strategies for comprehensive neonatal protection.

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