# Immunity After COVID-19 Vaccination

> **NCT04924855** · — · UNKNOWN · sponsor: **General Administration of Military Health, Tunisia** · enrollment: 300 (estimated)

## Conditions studied

- Tunis Military Hospital Staff Vaccinated Against Covid 19

## Interventions

- **OTHER:** Blood sampling (4 per year)

## Key facts

- **NCT ID:** NCT04924855
- **Lead sponsor:** General Administration of Military Health, Tunisia
- **Sponsor class:** NETWORK
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-07
- **Primary completion:** 2022-07-01
- **Final completion:** 2022-08-01
- **Target enrollment:** 300 (ESTIMATED)
- **Last updated:** 2021-06-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04924855

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04924855, "Immunity After COVID-19 Vaccination". Retrieved via AI Analytics 2026-06-15 from https://api.ai-analytics.org/clinical/NCT04924855. Licensed CC0.

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