# Immunologic Responses to Single and Double Doses of COVID-19 Vaccines in Egyptians

> **NCT04706143** · — · UNKNOWN · sponsor: **Assiut University** · enrollment: 100 (estimated)

## Conditions studied

- COVID-19 Vaccines

## Interventions

- **BIOLOGICAL:** COVID-19 Vaccines

## Key facts

- **NCT ID:** NCT04706143
- **Lead sponsor:** Assiut University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-01-15
- **Primary completion:** 2021-06-01
- **Final completion:** 2021-08-01
- **Target enrollment:** 100 (ESTIMATED)
- **Last updated:** 2021-01-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04706143

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04706143, "Immunologic Responses to Single and Double Doses of COVID-19 Vaccines in Egyptians". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT04706143. Licensed CC0.

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