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Defining the pediatric response to SARS-CoV-2 variants

Journal

FRONTIERS IN IMMUNOLOGY
Volume 14, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2023.1200456

Keywords

COVID-19; SARS-CoV-2; pediatric; children; emerging variants; molecular biology; cellular biology; age-specific response

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The global population has been severely affected by the COVID-19 pandemic, but children have been underprioritized as a risk factor due to their lower severity of infection. This article discusses the factors contributing to the milder response observed in children, including differences in viral entry receptor expression and immune responses. It also highlights the potential higher risk of emerging and future variants for children with underlying comorbidities. This perspective emphasizes the need for more research to protect vulnerable children.
The global population has been severely affected by the coronavirus disease 2019 (COVID-19) pandemic, however, with older age identified as a risk factor, children have been underprioritized. This article discusses the factors contributing to the less severe response observed in children following infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), including, differing viral entry receptor expression and immune responses. It also discusses how emerging and future variants could present a higher risk to children, including those with underlying comorbidities, in developing severe disease. Furthermore, this perspective discusses the differential inflammatory markers between critical and non-critical cases, as well as discussing the types of variants that may be more pathogenic to children. Importantly, this article highlights where more research is urgently required, in order to protect the most vulnerable of our children.

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