A Follow-up Study of Asymptomatic Infections and Diagnosed Patients With Covid-19 in Shanghai
Clinical trial NCT05387304 · RECRUITING
Trial details
- NCT number
- NCT05387304
- Sponsor
- Ruijin Hospital
- Status
- RECRUITING
- Study type
- OBSERVATIONAL
- Start date
- 2022-03-29
- Primary completion
- 2032-05-31
- Enrollment
- 250000
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