CCL Cheung, D Goh, X Lim, TZ Tien, JCT Lim, JN Lee… - Gut, 2022 - gut.bmj.com
… reported the presence positive SARS-CoV-2 RNA in anal … Also, while SARS-CoV-2 viral
antigen has been detected in … the first evidence of residual virus in extrapulmonary tissues …