This week, Covid levels in wastewater once more increased slowly across most European countries, but remains low. 

Trends in Covid activity as measure by wastewater monitoring by European country: Week ending Jan 5, 2024 toSep 10, 2026.

Each country has its own way of calculating and displaying wastewater levels, which is why the Y-axis scales vary. Whilst the trend within a country is meaningful, the absolute numbers can’t be directly compared across countries.
Chart: Bob HawkinsSource: National Wastewater Monitoring SitesGet the data