Author: Xudan Chen; Yang Zhang; Baoyi Zhu; Jianwen Zeng; Wenxin Hong; Xi He; Jingfeng Chen; Haipeng Zheng; Shuang Qiu; Ying Deng; Juliana Chan; Jian Wang
Title: Associations of clinical characteristics and antiviral drugs with viral RNA clearance in patients with COVID-19 in Guangzhou, China: a retrospective cohort study Document date: 2020_4_14
ID: 9j4ese89_6
Snippet: COVID-19 infection was confirmed by positive SARS-CoV-2 RNA test in respiratory tract samples using real-time RT-PCR method according to the manufacturer protocol (Daan Gene Co. Ltd, Guangzhou, China). For symptomatic patients, illness onset date was defined as the date when the symptoms (eg, fever, cough) first appeared. For asymptomatic patients, the date of first positive RT-PCR test was defined as the illness onset date......
Document: COVID-19 infection was confirmed by positive SARS-CoV-2 RNA test in respiratory tract samples using real-time RT-PCR method according to the manufacturer protocol (Daan Gene Co. Ltd, Guangzhou, China). For symptomatic patients, illness onset date was defined as the date when the symptoms (eg, fever, cough) first appeared. For asymptomatic patients, the date of first positive RT-PCR test was defined as the illness onset date.
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