# Long-term COVID-19 Immune Response in a Vulnerable Neighbourhood in Argentina

> **NCT04673279** · — · COMPLETED · sponsor: **Hospital Italiano de Buenos Aires** · enrollment: 189 (actual)

## Conditions studied

- Coronavirus Disease 2019

## Interventions

- **DIAGNOSTIC_TEST:** serology

## Key facts

- **NCT ID:** NCT04673279
- **Lead sponsor:** Hospital Italiano de Buenos Aires
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-12-02
- **Primary completion:** 2021-08-20
- **Final completion:** 2021-08-20
- **Target enrollment:** 189 (ACTUAL)
- **Last updated:** 2021-08-25

## Collaborators

- [object Object]
- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04673279

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04673279, "Long-term COVID-19 Immune Response in a Vulnerable Neighbourhood in Argentina". Retrieved via AI Analytics 2026-08-03 from https://api.ai-analytics.org/clinical/NCT04673279. Licensed CC0.

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