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Evaluation of Host-Pathogen Responses and Vaccine Efficacy in Mice
Published on: February 22, 2019
Is there a role for childhood vaccination against COVID-19?
Christiane Sigrid Eberhardt1,2,3, Claire-Anne Siegrist1,2
1Center for Vaccinology, University Hospitals of Geneva, Geneva, Switzerland.
Insights
COVID-19 vaccines require demonstrated safety and efficacy in children to justify widespread use. The pandemic also threatens routine childhood immunizations, risking a rise in preventable diseases.
Area of Science:
- Immunology
- Pediatrics
- Epidemiology
Background:
- The COVID-19 pandemic necessitates rapid vaccine development for vulnerable populations.
- Current vaccine candidates are primarily tested in adults, raising questions about pediatric application.
- Children exhibit lower COVID-19 incidence and severity but can transmit the virus.
Purpose of the Study:
- To review COVID-19 vaccine platforms being tested for potential use in children.
- To discuss the practical and ethical considerations surrounding childhood COVID-19 vaccination.
- To highlight the pandemic's negative impact on routine childhood immunizations.
Main Methods:
- Literature review of current COVID-19 vaccine platforms.
- Analysis of epidemiological data regarding COVID-19 in children.
- Discussion of ethical and practical challenges for pediatric vaccine implementation.
Main Results:
- COVID-19 vaccine development is progressing rapidly, with adult trials predominating.
- Childhood COVID-19 vaccination requires robust evidence of safety, efficacy against complications, and transmission reduction.
- The pandemic has led to decreased routine childhood vaccine uptake, increasing risks for other vaccine-preventable diseases.
Conclusions:
- Childhood COVID-19 vaccination requires stringent safety and efficacy validation, including transmission prevention.
- Urgent interventions are needed to counteract declining routine childhood immunization rates during the pandemic.
Abstract:
Tremendous efforts are undertaken to quickly develop COVID-19 vaccines that protect vulnerable individuals from severe disease and thereby limit the health and socioeconomic impacts of the pandemic. Potential candidates are tested in adult populations, and questions arise of whether COVID-19 vaccination should be implemented in children. Compared to adults, the incidence and disease severity of COVID-19 are low in children, and despite their infectiveness, their role in disease propagation is limited. Therefore, COVID-19 vaccines will need to have fully demonstrated safety and efficacy in preventing not only complications but transmission to justify childhood vaccination. This work summarizes currently tested vaccine platforms and debates practical and ethical considerations for their potential use in children. It also discusses the already deleterious effect of the pandemic on routine childhood vaccine coverage, calling for action to limit the risks for a rise in vaccine-preventable diseases.
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