Positive RT-PCR tests among discharged COVID-19 patients in Shenzhen, China
Tang, Xiujuan, et al.
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Among all 209 discharged coronavirus 2019 patients in Shenzhen China between January 23 and February 21, 2020, there are 9 (4.3%) patients showed RT-PCR positive in throat swabs, 13 (6.2%) patients showed RT-PCR positive in anal swabs, and 22 (10.5%) positive in either type. The time between discharge and positive RT-PCR tests is 4.7 days on average. These numbers shed light on the viral dynamics of COVID-19.