CORONASTEP Report 72 (Week 19) SARS-CoV-2 Sewage Surveillance in Luxembourg

This report 72 presents the results of SARS-CoV-2 contamination of wastewater at the entrance of the 13 wastewater treatment plants analysed during the week 19 of 2021.
The SARS-CoV-2 RNA flux measured in wastewater treatment plants during week 19 shows a moderate national prevalence of the virus. During the two last weeks, the flux has stagnated around a 1 to 2 x 1011 RNA copies per day per 100,000 equivalent-inhabitants.
At the scale of individual wastewater treatment plants, the values were similar over the two last week’ with the exception of Schifflange where the decrease is confirmed this week and Grevenmacher where the flux has drop to a low value.

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