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Using online questionnaires, we will obtain data regarding COVID-19 infection and treatment, including incidence rate, hospitalization rate, severity of the infection, medications, mortality rate, etc, in both hospital and communities after the change of disease control policy in China.
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Volunteers
Inclusion criteria
Exclusion criteria
200,000 participants in 1 patient group
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Central trial contact
Running Zhang, BSc; Chao Gao, MD, Ph.D.
Data sourced from clinicaltrials.gov
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