# MURDOCK Cabarrus County COVID-19 Prevalence and Immunity (C3PI) Study

> **NCT04424004** · — · COMPLETED · sponsor: **Duke University** · enrollment: 300 (actual)

## Conditions studied

- COVID 19

## Interventions

- **OTHER:** COVID-19 PCR and serology testing

## Key facts

- **NCT ID:** NCT04424004
- **Lead sponsor:** Duke University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-06-09
- **Primary completion:** 2021-12-02
- **Final completion:** 2021-12-02
- **Target enrollment:** 300 (ACTUAL)
- **Last updated:** 2022-02-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04424004

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04424004, "MURDOCK Cabarrus County COVID-19 Prevalence and Immunity (C3PI) Study". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04424004. Licensed CC0.

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