This report 37 presents the results of SARS-CoV-2 contamination of wastewater at the entrance of 9 wastewater treatment plants (WWTPs) during week 53. One sampling date was analysed per WWTP. No data are available for the three SIDEST WWTPs and for Hespérange.
During week 53, the SARS-CoV-2 RNA fluxes in the treatment plants remain high and comparable to those observed during the previous week, indicating a still high prevalence of the virus in wastewater at national and regional level. The results of the last two months confirm the slow downward trend. This corresponds to a reduction of about 1 log compared to the maximum peak of the current wave.
At the level of treatment plants, SARS-CoV-2 RNA fluxes still show irregular variations on a weekly basis. However, a downward trend is also observed for all the treatment plants studied individually.
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