CORONASTEP Report 77 (Week 23-Partial) SARS-CoV-2 Sewage Surveillance in Luxembourg

This report 77 presents the results of SARS-CoV-2 contamination of wastewater at the entrance of the 13 wastewater treatment plants analysed at the beginning of the week 23 of 2021.

The SARS-CoV-2 RNA flux measured in wastewater treatment plants shows a moderate national prevalence of the virus. The flux has around 7 to 8 x 1010 RNA copies per day per 100,000 equivalent-inhabitants, with a continuing downward trend for several weeks.

At the individual treatment plant scale, the trend is similar with several treatment plants having a SARS-CoV-2 flux near the detection limit of the test, or even below.

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