If you are infected with the corona virus, there are often virus particles in your stool. Wastewater is collected at treatment plants and tested for virus particles at RIVM. Because less testing is now being done (at the GGD and through self-testing), waste water research is important to monitor the virus and to recognize a possible revival of the virus.
Last values obtained on Wednesday, 1 February. Is updated on Tuesday, Wednesday and Friday.
Source: RIVM
This is the average of the last measurements of all wastewater treatment plants in this safety region. This figure also takes account of how many inhabitants are served by a wastewater treatment plant, and how much of the wastewater flowing to the plant comes from the safety region.
Every day, the dashboard publishes the average number of virus particles per 100,000 inhabitants. To measure this number, we use the last measurement from each sewage treatment plant. Only if the last measurement is older than nine days, for example due to maintenance on the installation, is it not included in the average.
All sewage treatment plants collect samples on average four times a week, which are measured by RIVM.
This graph shows the average number of virus particles over time per 100,000 inhabitants per safety region.
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