AI Article Synopsis
- * Researchers used an electropositive filter to analyze sewage samples from two hospitals, testing both untreated and treated (disinfected) samples for the virus's presence.
- * Results indicated that no live SARS-CoV was found; however, SARS-CoV RNA was detected in multiple samples before disinfection, confirming the virus's genetic material can persist even after treatment.
Article Abstract
Objective: In order to explore the existence of SARS coronavirus (Co-V) and/or its RNA in sewage of hospitals administered SARS patients.
Methods: A novel electropositive filter was used to concentrate the SARS-CoV from the sewage of two hospitals administered SARS patients in Beijing, including twelve 2,500 ml sewage samples from the hospitals before disinfection, and ten 25,000 ml samples after disinfection; as well as cell culture, RT-PCR and sequencing of gene to detect and identify the viruses from sewage.
Results: There was no live SARS-CoV detected in the sewage in this study. The nucleic acid of SARS-CoV had been found in the 12 sewage samples before disinfection from both hospitals by semi-nested PCR. After disinfection, SARS-CoV RNA could only be detected from the samples from the 309th Hospital, and the others were negative.
Conclusion: It provides evidence that there is no live SARS-Cov in the sewage from hospitals with SARS patients though SARS-CoV RNA can be detected.
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