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Virus

Projects

Health
Microbial safety
AMVD measurements

This project investigates the difficulties and solutions involved in the quantitative measurement of microbiological risks. In practice, the analyses required for pathogens in drinking water sources involve large sample volumes (max. 1,000 litres) that are concentrated to…

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Enabling technologies
New materials and technologies
SARS-CoV-2 (RNA) in municipal wastewater: hazards and opportunities

This project couples the monitoring of SARS-CoV-2 in the underground (sewage water) with above-ground testing, with the aim of evaluating the sensitivity, the predictive value for the incidence…

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Health
Emerging contaminants
KWR wastewater surveillance guidance for SARS-CoV-2

As Covid-19 infections are increasing again after the initial lockdowns, it is now critical to set up a surveillance and monitoring system for COVID-19. KWR can assist you…

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Experts

Prof. Gertjan Medema PhD
Principal microbiologist
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Prof. Gertjan Medema PhD

Principal microbiologist

Gertjan Medema is Principal Microbiologist at KWR. He is also part-time professor of Water & Health at Delft University of Technology, and Distinguished Hannah Visiting Professor at Michigan State University.…

030-6069653

Gertjan.Medema@kwrwater.nl

06-25032597

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News

News

Singapore honours Gertjan Medema with the Lee Kuan Yew Water Prize 2024

19 June 2024 — On 18 June, the President of Singapore, Mr Tharman, awarded KWR-microbiologist Gertjan Medema the Lee Kuan Yew Water…

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News

Microbiologist Gertjan Medema awarded the Lee Kuan Yew Water Prize 2024

16 April 2024 — Microbiologist Gertjan Medema will receive the Lee Kuan Yew Prize 2024 from the President of Singapore on 18…

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News

Covid in wastewater: second wave as high as the first

06 November 2020 — As early as February, KWR demonstrated the connection between the number of SARS-CoV-2 viral particles in the sewage…

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New SARS-CoV-2 graphs for wastewater samples of September

02 October 2020 — The KWR microbiologists have extensively evaluated and improved their research methods for the surveillance of the coronavirus genetic…

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The SARS-Cov-2 sewage water samples of 20 August

25 August 2020 — Since the end of February, KWR has been monitoring concentrations of the genetic material of the coronavirus, so-called…

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Wastewater-based epidemiology: Wastewater reflection on society

16 June 2020 — Wastewater-based epidemiology (WBE) uses sewage as a source of information about citizens’ health and lifestyle. Analysis of sewage…

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News

EU-wide Wastewater Warning System for SARS-CoV-2

08 June 2020 — The European Commission’s Joint Research Centre and the Directorate-General for Environment, in close collaboration with leading experts from…

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News

Q&A COVID-19 Sewage Surveillance live

11 April 2020 — The COVID-19 sewage research team has received a tremendous amount of questions about the research in recent weeks;…

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News

What we learn about the Corona virus through waste water research

24 March 2020 — Two weeks ago, we evaluated the likelihood of transmission of the new coronavirus via water. Based on our…

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News

Drinking water very well protected against coronavirus

28 February 2020 — With the knowledge, experience and measurement methods that KWR has developed over the past decades within its Joint…

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Use of natural viruses to monitor membrane integrity

12 March 2019 — KWR has been granted a patent for a new, very sensitive method to determine how effectively a physical…

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