CORONASTEP Report 74 (Week 20) SARS-CoV-2 Sewage Surveillance in Luxembourg

This report 74 presents the results of SARS-CoV-2 contamination of wastewater at the entrance of the 13 wastewater treatment plants analysed during the week 20 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 1 to 2 x 1011 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 and some treatment plants, such as Grevenmacher and Uebersyren, have flux near the detection limit of the test.

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