# Seroprevalence and Immunoprotection Against COVID-19 in Parisian Children

> **NCT04490811** · — · UNKNOWN · sponsor: **Hôpital Necker-Enfants Malades** · enrollment: 800 (estimated)

## Conditions studied

- COVID-19

## Interventions

- **OTHER:** no intervention. observational cohort study

## Key facts

- **NCT ID:** NCT04490811
- **Lead sponsor:** Hôpital Necker-Enfants Malades
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-04-09
- **Primary completion:** 2021-12-31
- **Final completion:** 2021-12-31
- **Target enrollment:** 800 (ESTIMATED)
- **Last updated:** 2020-07-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04490811

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04490811, "Seroprevalence and Immunoprotection Against COVID-19 in Parisian Children". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04490811. Licensed CC0.

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