Wastewater-Based Epidemiology of SARS-CoV-2: Assessing Prevalence and Correlation with Clinical Cases.

Food Environ Virol · 2023 · PMC10155169 · PMID 37133676

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a positive trendno p-value reported

A positive trend was observed between the weekly average SARS-CoV-2 gene copy number in the wastewater and the cumulative weekly reported COVID-19 cases in all the three WWTPs.

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a decreasing trendno p-value reported

The predicted number of infected individuals using the two methods followed a decreasing trend similar to the reported COVID-19 cases and a statistically significant correlation was obtained with data from WWTP-Z3 ( r = 0.863; p = 0.027) and WWTP-Z5 ( r = 0.859; p = 0.028) but not with WWTP-Z1 ( r = − 0.31; p = 0.69).

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.