ArticleBMC microbiology2021
Detection of SARS-CoV-2 in fecal samples with different pretreatment methods and PCR kits.
Article in BMC microbiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 10 citations in OpenAlex.
- Enterocloster clostridioformis protects against Salmonella pathogenesis and modulates epithelial and mucosal immune function.Microbiome · 2025Article
- Advances and Challenges in SARS-CoV-2 Detection: A Review of Molecular and Serological Technologies.Diagnostics (Basel, Switzerland) · 2024Review
- Rapid RT-PCR identification of SARS-CoV-2 in screening donors of fecal microbiota transplantation.Heliyon · 2023Article
- Evaluation of the microbial reduction efficacy and perception of use of an ozonized water spray disinfection technology.Scientific reports · 2022Article
- Validation of Two Commercial Multiplex Real-Time PCR Assays for Detection of SARS-CoV-2 in Stool Donors for Fecal Microbiota Transplantation.Microorganisms · 2022Article
- Spatial technologies to strengthen traditional testing for SARS-CoV-2.Trends in microbiology · 2021Article
- On the Critical Role of Human Feces and Public Toilets in the Transmission of COVID-19: Evidence from China.Sustainable cities and society · 2021Article
- Beware of pharyngeal Fusobacterium nucleatum in COVID-19.BMC microbiology · 2021Article
- Detecting SARS-CoV-2 RNA in fecal specimens: The practical challenges.Journal of medical virology · 2021Article
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Authors and funding
8 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundGastrointestinal symptoms are common in COVID-19 patients and SARS-CoV-2 RNA has been detected in the patients' feces, which could lead to fecal-oral transmission. Therefore, fecal sample testing with real-time RT-PCR is highly recommended as a routine test for SARS-CoV-2 infection. However, varying rates of detection in fecal sample have been reported. The aim of this study was to provide insights into the detection rates of SARS-CoV-2 in COVID-19 patients' fecal sample by using four real-time RT-PCR kits and two pretreatment methods (inactive and non-inactive).
resultsThe detection rate of Trizol pretreatment group was slightly higher than that of Phosphate Buffered Saline (PBS) groups, showing that pretreatment and inactivation by Trizol had no influence to SARS-CoV-2 nucleic acid test (NAT) results. 39.29% detection rate in fecal sample by DAAN was obtained, while Bio-germ was 40.48%, Sansure 34.52%, and GeneoDx 33.33%. The former three kits had no significant difference. The DAAN kit detection rates of ORF1ab and N gene were nearly equal and Ct value distribution was more scattered, while the Bio-germ kit distribution was more clustered. The positive rate of SARS-COV-2 in fecal samples correlated with the severity of the disease, specifically, severe cases were less likely to be identified than asymptomatic infection in the DAAN group (adjusted OR 0.05, 95%CI = 0.00 ~ 0.91).
conclusionsTrizol should be of choice as a valid and safe method for pretreatment of fecal samples of SARS-CoV-2. All real-time RT-PCR kits assessed in this study can be used for routine detection of SARS-CoV-2 in fecal samples. While DAAN, with high NAT positive rate, could be the best out of the 4 kits used in this study. SARS-CoV-2 positive rate in fecal sample was related to the severity of illness.
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