# Defining the COVID-19 Immunity Denominator in the Mekong: a Cross-Sectional Seroprevalence Study of SARS-CoV-2 in HealthyVolunteers

> **NCT04594395** · — · WITHDRAWN · sponsor: **National Institute of Allergy and Infectious Diseases (NIAID)**

## Conditions studied

- Healthy Volunteers

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04594395
- **Lead sponsor:** National Institute of Allergy and Infectious Diseases (NIAID)
- **Sponsor class:** NIH
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** WITHDRAWN
- **Start date:** 2021-09-24
- **Primary completion:** 2021-09-24
- **Final completion:** 2021-09-30
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Study never initiated in Cambodia
- **Last updated:** 2021-10-04


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04594395

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04594395, "Defining the COVID-19 Immunity Denominator in the Mekong: a Cross-Sectional Seroprevalence Study of SARS-CoV-2 in HealthyVolunteers". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04594395. Licensed CC0.

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