Risk of long COVID in children may be twice as high after a second infection

A new study published in The Lancet Infectious Diseases involving over 460,000 children and adolescents across 40 pediatric hospitals in the U.S. suggests that children who were infected with COVID-19 for the second time during the omicron wave had more than double the risk of developing long COVID.

source https://medicalxpress.com/news/2025-09-covid-children-high-infection.html