# Seroprevalence of Neutralizing Antibodies Against Japanese Encephalitis Virus Among 6 Years Old Children With 5 Different Immunization Strategies in Zhejiang Province

> **NCT04817917** · PHASE4 · UNKNOWN · sponsor: **Zhejiang Provincial Center for Disease Control and Prevention** · enrollment: 712 (actual)

## Conditions studied

- Japanese Encephalitis
- Vaccine Preventable Disease
- Vaccine Reaction

## Interventions

- **BIOLOGICAL:** Japanese Encephalitis Vaccine (Vero Cell), Inactivated;
- **OTHER:** No prospective interventions

## Key facts

- **NCT ID:** NCT04817917
- **Lead sponsor:** Zhejiang Provincial Center for Disease Control and Prevention
- **Sponsor class:** OTHER_GOV
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-03-01
- **Primary completion:** 2022-09-17
- **Final completion:** 2023-06-30
- **Target enrollment:** 712 (ACTUAL)
- **Last updated:** 2022-11-15

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04817917

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04817917, "Seroprevalence of Neutralizing Antibodies Against Japanese Encephalitis Virus Among 6 Years Old Children With 5 Different Immunization Strategies in Zhejiang Province". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT04817917. Licensed CC0.

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