The Association Between Obesity and COVID-19 Severity in Children Differed Between SARS-CoV-2 Variants: A Multicountry Hospital-based Observational Study

Obesity was a risk factor for severe COVID-19 in children during early outbreaks of ancestral SARS-CoV-2 and the Delta variant. However, the relationship between obesity and COVID-19 severity during the Omicron wave remains unclear.

Citation:
Zhu Y, Zimmermann P, Yeoh DK, Xia Y, Sáfadi MAP, …….. Bowen AC, Almeida FJ, Short KR. The Association Between Obesity and COVID-19 Severity in Children Differed Between SARS-CoV-2 Variants: A Multicountry Hospital-based Observational Study. Pediatr Infect Dis J. 2025;44(11):1084-93.

Keywords:
COVID-19 severity; SARS-CoV- 2 variants; pediatric obesity; risk factor

Abstract:
Obesity was a risk factor for severe COVID-19 in children during early outbreaks of ancestral SARS-CoV-2 and the Delta variant. However, the relationship between obesity and COVID-19 severity during the Omicron wave remains unclear.