# Immunization of 7 Different Vaccines Against SARS-COV-2 Across 4 Countries.

> **NCT05228912** · — · COMPLETED · sponsor: **Hospital Clinica Nova** · enrollment: 1870 (actual)

## Conditions studied

- Vaccine Adverse Reaction
- COVID-19
- Vaccine Reaction

## Interventions

- **DRUG:** COVID-19 Vaccines

## Key facts

- **NCT ID:** NCT05228912
- **Lead sponsor:** Hospital Clinica Nova
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2021-02-26
- **Primary completion:** 2022-10-01
- **Final completion:** 2022-10-30
- **Target enrollment:** 1870 (ACTUAL)
- **Last updated:** 2023-02-28

## Collaborators

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## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05228912

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05228912, "Immunization of 7 Different Vaccines Against SARS-COV-2 Across 4 Countries.". Retrieved via AI Analytics 2026-06-08 from https://api.ai-analytics.org/clinical/NCT05228912. Licensed CC0.

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