Evaluating recovery, cost, and throughput of different concentration methods for SARS-CoV-2 wastewater-based epidemiology

•Five methods for concentrating SARS-CoV-2 RNA from wastewater evaluated•Method performance characterized via recovery, cost, throughput, and variability•HA filtration with bead beating had highest recovery for comparatively low cost•Bovine coronavirus, pepper mild mottle virus assessed as possible...

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Published in:Water research (Oxford) 2021-06, Vol.197, p.117043-117043, Article 117043
Main Authors: LaTurner, Zachary W., Zong, David M., Kalvapalle, Prashant, Gamas, Kiara Reyes, Terwilliger, Austen, Crosby, Tessa, Ali, Priyanka, Avadhanula, Vasanthi, Santos, Haroldo Hernandez, Weesner, Kyle, Hopkins, Loren, Piedra, Pedro A., Maresso, Anthony W., Stadler, Lauren B.
Format: Article
Language:English
Subjects:
Animals
Cattle
Cities
COVID-19
COVID-19 Vaccines
Humans
Pandemics
SARS-CoV-2
Wastewater
Wastewater-Based Epidemiological Monitoring
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Summary:•Five methods for concentrating SARS-CoV-2 RNA from wastewater evaluated•Method performance characterized via recovery, cost, throughput, and variability•HA filtration with bead beating had highest recovery for comparatively low cost•Bovine coronavirus, pepper mild mottle virus assessed as possible recovery controls As the COVID-19 pandemic continues to affect communities across the globe, the need to contain the spread of the outbreaks is of paramount importance. Wastewater monitoring of the SARS-CoV-2 virus, the causative agent responsible for COVID-19, has emerged as a promising tool for health officials to anticipate outbreaks. As interest in wastewater monitoring continues to grow and municipalities begin to implement this approach, there is a need to further identify and evaluate methods used to concentrate SARS-CoV-2 virus RNA from wastewater samples. Here we evaluate the recovery, cost, and throughput of five different concentration methods for quantifying SARS-CoV-2 virus RNA in wastewater samples. We tested the five methods on six different wastewater samples. We also evaluated the use of a bovine coronavirus vaccine as a process control and pepper mild mottle virus as a normalization factor. Of the five methods we tested head-to-head, we found that HA filtration with bead beating performed the best in terms of sensitivity and cost. This evaluation can serve as a guide for laboratories establishing a protocol to perform wastewater monitoring of SARS-CoV-2. Estimates of the relative relationship of the five concentration methods to each other based on different performance characteristics. [Display omitted]
ISSN:0043-1354
1879-2448
1879-2448
DOI:10.1016/j.watres.2021.117043