Spread of the virus

Virus particles in wastewater Groningen

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 Tuesday, 31 January. Is updated on Tuesday, Wednesday and Friday.

Source: RIVM

Number of coronavirus particles per 100,000 inhabitants

293
69 more than the previous value

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.

Value of Thursday, 26 January · Source: RIVM

Measurement of the average number of virus particles

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.

Virus particles over time

This graph shows the average number of virus particles over time per 100,000 inhabitants per safety region.

The map shows "Show all"
The map shows "Last 30 days"
The map shows "Last 3 months"
The map shows "Last 6 months"
The map shows "Last year"
The map shows "BELLINGWOLDE"
The map shows "DELFZIJL"
The map shows "EELDE"
The map shows "FEERWERD"
The map shows "FOXHOL"
The map shows "GAARKEUKEN"
The map shows "GARMERWOLDE"
The map shows "HOOGEZAND"
The map shows "LEEK"
The map shows "MARUM"
The map shows "ONDERDENDAM"
The map shows "OUDE PEKELA"
The map shows "SCHEEMDA"
The map shows "SCHEVE KLAP"
The map shows "STADSKANAAL"
The map shows "TER APEL"
The map shows "TWEEDE EXLOERMOND"
The map shows "UITHUIZERMEEDEN"
The map shows "ULRUM"
The map shows "VEENDAM"
The map shows "VRIESCHELOO"
The map shows "WEHE DEN HOORN"
The map shows "WINSUM"
The map shows "ZUIDHORN"
Graph sewage installation over time. Use the keyboard to navigate through the time in the graph. With the left and right arrow keys you can move backwards and forwards in time. Use the left angle bracket < to go back and the right angle bracket > to go forward. With page-up and page-down you make bigger steps. Use the Home key and End key to go to the beginning and end of the timeline.
  • Average number of virus particles

Source: RIVM