Review
Copyright ©The Author(s) 2021.
World J Clin Cases. Oct 6, 2021; 9(28): 8280-8294
Published online Oct 6, 2021. doi: 10.12998/wjcc.v9.i28.8280
Table 2 Detection of severe acute respiratory syndrome by coronavirus 2 RNA in anal swabs or fecal sample





SARS-CoV-2 RNA

nRef.CountrynAgeRT-PCRStoolPSDIRespiratoryPRDIRelevance information
1Xie et al[56] China44-9 yrAS-PS4/48-33 d4/411-21 dOne patient with positive stool RNA 54 d after hospital admission
2Ge et al[57] China155 yrFS-RS1/118 d1/17 dPositive stool RNA 22 d after negative respiratory
3Lo et al[58] China1027-64 yrFS-PS10/105-19 d10/109-24 dSome patients had positive stool even with negative respiratory
4Zhang et al[17] China36-9 yrAS-PS3/316-20 d3/37-14 dThe anal swab was positive after 10 d of discharge
5Liu et al[59] China9NRAS-PS8/928-66 d9/96–24 dPositive stool RNA 46 d after discharge
6Wang et al[60] China535-56 yrFS-PS5/511-30 d5/55-9 dEven after a negative respiratory test, IgM was positive on 2 consecutive occasions
7Wang X et al[61] China324-42 yrFS-PS2/330-36 d3/315-29 d-
8Xing et al[62] China3NDFS-PS3/38 d-4 wk3/32 wkPositive stool RNA 8-20 d after negative respiratory
9Chen et al[63] China4242-62 yrAS-FS28/421-24 d42/421-19 dEighteen patients remained positive for viral RNA in the feces after the pharyngeal swabs turned negative
10Wu et al[64] China74NDFS-PS33/7427, 9 d74/7416, 7 dFecal positive 47 d after the onset of the first symptoms
11Li et al[65] China1333-73 yrFS-RS5/13Until 38 d13/135-14 dPositive stool RNA 14-15 d after negative respiratory
12Du et al[66] China109 mo-14 yrFS-PS7/10Mean 34.43 d10/10Mean 9 dSeven patients positive stool RNA 2 wk after discharge but negative respiratory and urine
13Xiao et al[16] China7310 mo-78 yrFS-PS39/731-12 dNDNDSeventeen patients positive stool RNA after negative respiratory
14Xu et al[67] China102 mo-15 yrAS-PS8/101-27 d10/101-21Eight patients positive stool RNA after negative respiratory
15Fan et al[68] China13 moAS-PS1/11-28 d1/11-14Positive stool RNA 14 d after negative respiratory