# Study on Antibody Persistence and Immune Memory of Inactivated COVID-19 Vaccine

> **NCT05072496** · — · COMPLETED · sponsor: **Centers for Disease Control and Prevention, China** · enrollment: 150 (actual)

## Conditions studied

- COVID-19

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT05072496
- **Lead sponsor:** Centers for Disease Control and Prevention, China
- **Sponsor class:** OTHER_GOV
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2020-07-20
- **Primary completion:** 2021-08-30
- **Final completion:** 2021-09-27
- **Target enrollment:** 150 (ACTUAL)
- **Last updated:** 2021-10-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05072496

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05072496, "Study on Antibody Persistence and Immune Memory of Inactivated COVID-19 Vaccine". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT05072496. Licensed CC0.

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*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*
