Wastewater-Based Epidemiology (WBE) and Viral Detection in Polluted Surface Water: A Valuable Tool for COVID-19 Surveillance-A Brief Review.

In the southeastern states, the epidemic peak, plateau phase and decreasing trend in the number of new COVID-19 cases and deaths preceded those in the southern states, which present an increasing trend in the epidemic curve since mid-May [ 42 , 43 ].

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Since August, however, a decreasing trend could be observed, in line with the incidence curve in the local population [ 37 ].

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