# Quantification of Binding and Neutralizing Antibody Levels in COVID-19 Vaccinated Health Care Workers Over 1 Year

> **NCT04910971** · — · UNKNOWN · sponsor: **LifeBridge Health** · enrollment: 60 (estimated)

## Conditions studied

- COVID-19 Vaccine
- Corona Virus Infection
- Vaccine Adverse Reaction
- Vaccine Response
- Inflammation
- Thrombosis

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04910971
- **Lead sponsor:** LifeBridge Health
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-01-31
- **Primary completion:** 2022-05-28
- **Final completion:** 2022-07-28
- **Target enrollment:** 60 (ESTIMATED)
- **Last updated:** 2021-06-02


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04910971

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04910971, "Quantification of Binding and Neutralizing Antibody Levels in COVID-19 Vaccinated Health Care Workers Over 1 Year". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04910971. Licensed CC0.

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