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. 2022 Aug 11;10(4):e01102-22. doi: 10.1128/spectrum.01102-22

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Copyright © 2022 Farkas et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution 4.0 International license.

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FIG 5 — Comparison of viral recovery for Amicon and BE-PEG concentration methods tested on neat, unspiked wastewater samples collected at 13 wastewater treatment plants. Statistical comparisons were made using paired t tests after log transformation of the gene copies per liter. Recovery of crAss, enterovirus (EV), and enterovirus D68 (EVD68) could not be assumed to have differing means, while SARS-CoV-2 and norovirus GI (NoVGI) had significantly greater mean recovery with the Amicon method, and NoVGII had significantly greater mean recovery with the BE-PEG method.