A COVID-19 patient continued to test positive for SARS-CoV-2 in stool samples for 24 days after respiratory swabs turned negative. The case highlights that the virus may persist in the gastrointestinal tract even after respiratory clearance. The authors recommend incorporating fecal RNA testing into discharge criteria to minimize the risk of ongoing viral transmission.
Yang, Zhiwei; Yu, Mingxue; Li, Ganwen; Dai, Xiaoling; Liu, Guirong; Xie, Jinjun; Li, Gang; Jie, Yusheng