National surveillance of SARS-CoV-2 in wastewater

The virus SARS-CoV-2, which causes COVID-19, can be found in the feces of some infected individuals and consequently in wastewater. By examining wastewater for the presence of SARS-CoV-2, it is possible to understand the level of infection in the area from which the wastewater is collected.

National overvågning af SARS-CoV-2 i spildevandet (In danish)

The figure below shows the concentration of SARS-CoV-2 in the wastewater based on measurements from all sampling sites. The level of concentration in the wastewater and this week's growth rate are also indicated in the figure.

This week, due to a change in laboratory analyses, a retrospective adjustment has been made to one of the two SARS-CoV-2 genes for data prior to 12/9/2024.

In week 49, the SARS-CoV-2 concentration in the wastewater, indicating the amount of SARS-CoV-2 circulating in the population, is still at a medium level.

The national growth rate, showing the average weekly growth over the past three weeks (week 47-49), shows a development in the SARS-CoV-2 wastewater concentration corresponding to the category "Increase".

The figure illustrates the concentration of SARS-CoV-2 in the wastewater along with the weekly number of hospitalized patients due to covid-19

Download wastewater data and results

Results of the National Wastewater Surveillance of SARS-CoV-2 – after october 11th 2023

Data from the National Wastewater Surveillance of SARS-CoV-2 – after october 11th 2023

National surveillance of SARS-CoV-2 in wastewater

Read a detailed description of the wastewater surveillance (pdf)