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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