# A COVID-19 Symptom, Exposure and Immune Response Registry

> **NCT04348942** · — · COMPLETED · sponsor: **ObvioHealth** · enrollment: 804 (actual)

## Conditions studied

- COVID-19

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04348942
- **Lead sponsor:** ObvioHealth
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-05-29
- **Primary completion:** 2021-03-21
- **Final completion:** 2021-03-21
- **Target enrollment:** 804 (ACTUAL)
- **Last updated:** 2022-03-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04348942

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04348942, "A COVID-19 Symptom, Exposure and Immune Response Registry". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04348942. Licensed CC0.

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