期刊
SCIENCE OF THE TOTAL ENVIRONMENT
卷 769, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.scitotenv.2020.144852
关键词
Environment surveillance; SARS-CoV-2; Wastewater-based epidemiology; Wastewater; Virus concentration
资金
- Water Research Foundation, Denver, CO, United States of America
Environmental surveillance of SARS-CoV-2 in wastewater provides an early, cost-effective community-level indicator of COVID-19. Current research focuses on testing wastewater influent from large urban treatment plants using methods like polyethylene glycol precipitation, membrane filtration, and centrifugal ultrafiltration.
Environmental surveillance as a part of wastewater-based epidemiology (WBE) of SARS-CoV-2 can provide an early, cost-effective, unbiased community-level indicator of circulating COVID-19 in a population. The objective of this study was to determine how widely SARS-CoV-2 detection in wastewater is being investigated and what methods are used. A survey was developed and distributed, with results showing that methods were rapidly applied to conduct SARS-CoV-2 WBE, primarily to test wastewater influent from large urban wastewater treatment plants. Additionally, most methods utilized small wastewater volumes and the primary concentration methods used were polyethylene glycol precipitation, membrane filtration and centrifugal ultrafiltration followed by nucleic acid extraction and assay for primarily nucleocapsid gene targets (N1, N2, and/or N3). Since this survey was performed, many laboratories have continued to optimize and implement a variety of methods for SARS-CoV-2 WBE. Method comparison studies completed since this survey was conducted will assist in developing WBE as a supplemental tool to support public health and policy decision making responses. (C) 2021 Elsevier B.V. All rights reserved.
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