Epidemiological Study on Asymptomatic Infections and Mild Illness With Covid-19 in Shanghai
Clinical trial NCT05375786 · UNKNOWN
Trial details
- NCT number
- NCT05375786
- Sponsor
- Ruijin Hospital
- Status
- UNKNOWN
- Study type
- OBSERVATIONAL
- Start date
- 2022-04-02
- Primary completion
- 2022-06-30
- Enrollment
- 10000
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