# Booster Vaccination Against COVID-19

> **NCT04979949** · PHASE2 · COMPLETED · sponsor: **Health Institutes of Turkey** · enrollment: 222 (actual)

## Conditions studied

- COVID-19
- Sars-CoV-2 Infection

## Interventions

- **BIOLOGICAL:** CoronaVac
- **BIOLOGICAL:** Turkovac

## Key facts

- **NCT ID:** NCT04979949
- **Lead sponsor:** Health Institutes of Turkey
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-07-12
- **Primary completion:** 2022-03-09
- **Final completion:** 2022-06-06
- **Target enrollment:** 222 (ACTUAL)
- **Last updated:** 2023-11-29


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04979949

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04979949, "Booster Vaccination Against COVID-19". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT04979949. Licensed CC0.

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