# Viral Infection and Respiratory Illness Universal Study[VIRUS]: COVID-19 Registry

> **NCT04323787** · — · COMPLETED · sponsor: **Mayo Clinic** · enrollment: 100000 (actual)

## Conditions studied

- Coronavirus

## Interventions

- **OTHER:** observational

## Key facts

- **NCT ID:** NCT04323787
- **Lead sponsor:** Mayo Clinic
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-03-30
- **Primary completion:** 2025-03-31
- **Final completion:** 2025-03-31
- **Target enrollment:** 100000 (ACTUAL)
- **Last updated:** 2025-04-27

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04323787

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04323787, "Viral Infection and Respiratory Illness Universal Study[VIRUS]: COVID-19 Registry". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04323787. Licensed CC0.

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