Respiratory Coinfections in Children With SARS-CoV-2

Adrianna Westbrook1, Tingyu Wang1, Kushmita Bhakta2,3

  • 1From the Pediatric Biostatistics Core, Department of Pediatrics, Emory University School of Medicine, Atlanta, Georgia.

Insights

Respiratory coinfections are common in children with SARS-CoV-2, especially in those under two years old. The likelihood of coinfection decreases with age in pediatric patients with COVID-19.

Area of Science:

  • Pediatric Infectious Diseases
  • Epidemiology of Respiratory Illnesses
  • Viral Coinfections in Children

Background:

  • Resurgence of endemic respiratory pathogens necessitates understanding coinfections in pediatric SARS-CoV-2 cases.
  • Epidemiological data on coinfections in children with COVID-19 is crucial as respiratory pathogen transmission returns to pre-pandemic levels.

Purpose of the Study:

  • To determine the proportion of pediatric patients with SARS-CoV-2 who experienced respiratory coinfections.
  • To identify common coinfecting pathogens and analyze the association between coinfection and patient age.

Main Methods:

  • Retrospective analysis of pediatric patients (0-21 years) tested for respiratory pathogens using BioFire Respiratory Panel 2.1.
  • Poisson regression analysis to assess the likelihood of coinfection and its correlation with age.

Main Results:

  • Over 7.6% of respiratory panel tests were positive for SARS-CoV-2, with 23.7% of these cases having coinfections.
  • Rhino/enterovirus was the most frequent coinfection (15.7%), followed by adenovirus (4.2%) and RSV (3.5%).
  • Children under 2 years old exhibited the highest coinfection rates; coinfection risk decreased by 8% for each year increase in age.

Conclusions:

  • Respiratory coinfections are prevalent in pediatric SARS-CoV-2 patients.
  • Coinfection likelihood is influenced by pathogen type, host factors, and the time period, including viral variant predominance and transmission seasons.
Abstract

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