CORONASTEP Report 106 (Week 47) SARS-CoV-2 Sewage Surveillance in Luxembourg

This report 106 presents the results of SARS-CoV-2 contamination of wastewater at the entrance of the 13 wastewater treatment plants (WWTPs) analysed during the week 47 of 2021. The WWTPs of Hespérange and Boevange were analysed only once this week.

The SARS-CoV-2 RNA flux measured in WWTPs this week continue to show a high national prevalence of the virus, with a SARS-CoV-2 flux between 1 and 2 x 1012 RNA copies per day per 100,000 equivalent-inhabitants. This week's results again show a slightly increase in the flux of SARS-CoV-2 compared to the previous week, with a level close to that observed in December 2020. The general trend over several weeks or even months is clearly upwards.

A general upward trend is also observed at regional level for most of the analysed wastewater treatment plants. This shows that this increase is present on a national scale, without regional disparities.

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