Progression of Symptoms and Viral Shedding Patterns in Asymptomatic and Mild COVID-19 Cases Among Children and Adolescents
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By
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Peng Yang
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Xun Jiang
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Yuhai Zhang
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Wen Kang
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Yushen Liu
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Yi Gang
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Ruijuan Li
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Wei Wang
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Tianping Wang
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Wenjing Zhang
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Wenzhen Kang
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Lei Shang
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February 11, 2026
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Clinical Scorecard: Progression of Symptoms and Viral Shedding Patterns in Asymptomatic and Mild COVID-19 Cases Among Children and Adolescents
At a Glance
| Category | Detail |
| Condition | COVID-19 in pediatric patients |
| Key Mechanisms | Viral shedding patterns and symptom progression in asymptomatic and mild cases |
| Target Population | Children and adolescents under 18 years of age |
| Care Setting | Fangcang shelter hospitals |
Key Highlights
- Study involved 7,803 pediatric patients with asymptomatic or mild COVID-19.
- Continuous daily monitoring of cycle threshold (Ct) values was conducted.
- Viral shedding defined as Ct values exceeding 35 confirmed by two negative tests.
- Most cases identified as the Omicron BA.2 variant.
- Asymptomatic infections often progressed to mild symptoms during hospitalization.
Guideline-Based Recommendations
Diagnosis
- Positive SARS-CoV-2 result indicated by Ct values below 35.
Management
- Patients with Ct values above 35 at admission are excluded from the study.
Monitoring & Follow-up
- Daily RT-PCR assays for pharyngeal swab specimens to track Ct values.
Risks
- Patients with severe clinical conditions were excluded from the analysis.
Patient & Prescribing Data
Pediatric patients aged 18 years or younger
Focus on monitoring symptom progression and viral load.
Clinical Best Practices
- Utilize continuous monitoring for effective management of pediatric COVID-19.
- Implement guidelines for categorizing asymptomatic and mildly symptomatic cases.
References