Study Design and Data Collection

CD Cuong Duy
VN Vuong Minh Nong
AN An Van Ngo
TD Tra Thu Doan
TN Tuan Quang Nguyen
PT Phuong Thai Truong
LO Linus Olson
ML Mattias Larsson
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We conducted a desk review of available documents, patient records, and public data collected during March 17–April 15, 2020. We retrieved demographic data from the official COVID-19 database provided by General Department of Preventive Medicine (https://ncov.vncdc.gov.vn). Symptoms and treatment data were systematically collected from the official MoH COVID-19 database (https://ncov.moh.gov.vn) and the MoH official press release website (https://suckhoedoisong.vn).

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