# Safety Observation of Enterovirus 71 Inactivated Vaccine (Vero Cell) Combined Immunization in Shanghai

> **NCT05166044** · — · UNKNOWN · sponsor: **Sinovac Biotech Co., Ltd** · enrollment: 12500 (estimated)

## Conditions studied

- Hand, Foot and Mouth Disease

## Interventions

- **BIOLOGICAL:** EV71 Inactivated Vaccine

## Key facts

- **NCT ID:** NCT05166044
- **Lead sponsor:** Sinovac Biotech Co., Ltd
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2022-01-04
- **Primary completion:** 2022-06-04
- **Final completion:** 2022-08-10
- **Target enrollment:** 12500 (ESTIMATED)
- **Last updated:** 2022-07-11


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05166044

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05166044, "Safety Observation of Enterovirus 71 Inactivated Vaccine (Vero Cell) Combined Immunization in Shanghai". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05166044. Licensed CC0.

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