What does this research mean for the field?

Long COVID affects approximately 11.8% of children and adolescents, with SARS-CoV-2 reinfection and higher BMI being significant risk factors in those over 8 years old, and male sex in those under 8. Novelty: ClaimNovelty.INCREMENTAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

The study aims to identify the prevalence and characteristics of long COVID in children and adolescents post-SARS-CoV-2 infection.

June 20, 2026Frontiers in PediatricsOpen Access

SARS-CoV-2 reinfection: a possible contributing factor to long COVID in children and adolescents

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The study aims to identify the prevalence and characteristics of long COVID in children and adolescents post-SARS-CoV-2 infection.
Cross-sectional analytical study conducted from January to December 2022
Inclusion of children under 18 years treated at the Mexican Social Security Institute
Exploratory binary logistic regression analysis performed to identify associated factors using odds ratios.
Long COVID prevalence was found to be 11.8% (95% CI 7.8%–17.5%) among 349 children and adolescents.
In children over 8 years, reinfection had an OR of 9.7 (95% CI 1.6–58) associated with long COVID.
In children under 8 years, male sex was an associated factor with an OR of 4.7 (95% CI 1.3–17.3).

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Implication

Cross-sectional study identifies long COVID prevalence and factors in children, suggesting associations with reinfection.

Cite This Study

Chipol-Ceja et al. (2026) studied this question.

synapsesocial.com/papers/6a362d32db0793dc1a5359dd https://doi.org/10.3389/fped.2026.1691052

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SARS-CoV-2 reinfection: a possible contributing factor to long COVID in children and adolescents

Key Points

Discussion

Implication

Cite This Study

SARS-CoV-2 reinfection: a possible contributing factor to long COVID in children and adolescents

Key Points

Discussion

Implication

Cite This Study

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