# Prevalence and Risk Factors of COVID-19 in the Upper Silesian Agglomeration

> **NCT04627623** · — · UNKNOWN · sponsor: **Medical University of Silesia** · enrollment: 6000 (estimated)

## Conditions studied

- Covid19
- Respiratory Tract Infections
- Severe Acute Respiratory Syndrome
- Corona Virus Infection
- RNA Virus Infections
- Virus Disease
- Respiratory Tract Disease

## Interventions

- **DIAGNOSTIC_TEST:** IgM and IgG antibodies assay

## Key facts

- **NCT ID:** NCT04627623
- **Lead sponsor:** Medical University of Silesia
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2020-06-22
- **Primary completion:** 2021-03-22
- **Final completion:** 2021-04-22
- **Target enrollment:** 6000 (ESTIMATED)
- **Last updated:** 2020-11-17


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04627623

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04627623, "Prevalence and Risk Factors of COVID-19 in the Upper Silesian Agglomeration". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04627623. Licensed CC0.

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