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Updated: Dec 22, 2025

Quantification and Whole Genome Characterization of SARS-CoV-2 RNA in Wastewater and Air Samples
Published on: June 30, 2023
A child with household transmitted COVID-19
Li-Juan Mao1, Jian Xu2, Zhi-Hao Xu3
1Department of Pediatrics, The Fourth Affiliated Hospital of Zhejiang University School of Medicine, N1 Shangcheng Avenue, Yiwu, 322000, Zhejiang Province, China.
This study reports a mild pediatric case of Coronavirus Disease 2019 (COVID-19) acquired through household transmission. The child remained infectious for SARS-CoV-2 via stool and swabs for over two weeks post-recovery.
Area of Science:
- Pediatrics
- Infectious Diseases
- Virology
Background:
- Coronavirus Disease 2019 (COVID-19) affects all ages, but pediatric cases are less common.
- Understanding clinical differences in pediatric COVID-19 is crucial.
Observation:
- A 14-month-old boy presented with fever and mild COVID-19.
- The child contracted COVID-19 from household contacts (mother and grandmother).
- Chest CT showed ground glass opacities, resolving after treatment.
Findings:
- The pediatric patient exhibited normal lymphocyte counts.
- SARS-CoV-2 RNA remained detectable in nasopharyngeal swabs and stool 17 days after symptom resolution.
- Mild symptoms and household transmission were noted.
Implications:
- Pediatric COVID-19 cases may be contagious for extended periods post-recovery.
- Further research is needed on the prolonged shedding of SARS-CoV-2 in children.
- Clinical management of pediatric COVID-19 should consider potential post-recovery contagiousness.
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