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COVID-19

Projects

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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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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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

IWA 2022 keynote: pandemic signals of wastewater

15 September 2022 — On the final day of the World Water Congress & Exhibition in Copenhagen, prof. dr. Gertjan Medema (KWR)…

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Marion Koopmans receives KWR Honorary Fellowship

09 November 2021 — Marion Koopmans, Professor of Virology, receives the KWR Honorary Fellowship 2020. She has been granted the honorific title…

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COVID-19 Sewage Surveillance must-reads

28 October 2021 — Since early February 2020 KWR-researchers have been monitoring sewage water at various wastewater treatment plants in The Netherlands…

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KWR involved in global COVID-19 wastewater monitoring effort

21 September 2021 — KWR Water Research Institute is helping develop the Wastewater SARS Public Health Environmental Response, or W-SPHERE, a global…

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News

Willem Koerselman Prize for 2020 goes to COVID-19 sewage-water research

14 June 2021 — The Willem Koerselman Prize was awarded on 10 June, underlining the social significance of KWR sewage-water research in…

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News

Researchers at KWR, Exeter (UK), Greece and Spain, awarded price for their video on ‘Sewers4COVID’

07 June 2021 — Sewers4COVID is a digital observation prototype that can quickly and cost-efficiently detect outbreak hotspots at a national scale. The…

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Sewage surveillance as an early warning system for SARS-CoV-2 detection

11 May 2021 — In recent research, we looked at how local sewage surveillance can provide information about the prevalence of the…

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Droplet Digital RT-PCR to detect SARS-CoV-2 variants of concern in wastewater

04 May 2021 — Wastewater monitoring has developed into a valuable and efficient tool to assess the prevalence of COVID-19 in the…

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Covid and the UK variant: the sewage tells the truth

13 April 2021 — Presence of Covid in the population Since the outbreak of the pandemic, already more than one year ago,…

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The Wastewater4COVID project aims to develop a method for early detection of the coronavirus

12 February 2021 — Early in the pandemic, Gertjan Medema demonstrated that genetic traces of SARS-CoV-2 in sewage correlate with COVID-19 disease…

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Sewage monitoring shows how covid-19 is evolving in the population

27 January 2021 — Our trend analysis of SARS- CoV-2 in sewage links the underground data with the above-ground data (new COVID-19…

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Scoping monitoring of coronavirus in wastewater in Peru

12 January 2021 — The current worldwide COVID-19 pandemic is a major concern for human health. The spread of this virus needs…

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Pilot project to monitor the circulation of COVID-19 in sewage water collected in the city of Nairobi

06 January 2021 — KWR joined forces with the Nairobi Metropolitan Services (NMS) – Directorate of Health Services, International Livestock Research Institute…

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Article

Wastewater surveillance into overdrive

31 December 2020 — The outbreak of the coronavirus in 2020 shifted KWR’s wastewater surveillance onto the fast track. Wastewater surveillance was…

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News

Water research opportunities in COVID year 2020

18 December 2020 — The global COVID pandemic posed enormous challenges for all sectors of society in 2020. The national and international…

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Concentration of SARS CoV-2 in sewage shows a descending trend

16 November 2020 — Since February 2020, we have measured the SARS -CoV-2 RNA in sewage water. By correcting the results for…

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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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News

Communication during a Crisis: COVID19

10 September 2020 — Since early February 2020, KWR researchers have been monitoring sewage water at various wastewater treatment plants in The…

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Continued attention to corona measures at KWR

26 August 2020 — The end of the holiday season, the continued spread of the coronavirus, and the new government recommendations, are…

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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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Royal Academy of Engineering award Sewers4COVID team

24 August 2020 — Researchers at KWR, in collaboration with scientists from Exeter (UK) Greece and Spain, developed a fresh approach ‘Sewers4COVID’…

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News

Tracking SARS-CoV-2 in sewers and in patients

16 June 2020 — It recently became possible to detect SARS-CoV-2 in sewage water, making it possible to see the extent to…

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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

How to set up sewage surveillance for SARS-CoV-2 virus

04 June 2020 — KWR can assist you with analysis, validation, quality control, sampling programmes and monitoring systems. Now that several countries…

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Sewage monitoring as an early warning system for corona

29 May 2020 — The emerging questions of the past weeks are: How does the concentration of SARS-CoV-2 RNA in sewage water…

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Coronavirus in sewage falls faster than recorded patient numbers

24 May 2020 — Since early February, KWR’s microbiologists have been studying levels of SARS-Coronavirus-2 RNA in sewage in collaboration with the…

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News

Drinking water protected against coronavirus – 2

15 May 2020 — When Chinese and US research showed that the SARS Coronavirus 2 can also be present in faeces, and…

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Monitoring of coronavirus-RNA (SARS-CoV2) in sewage: an early warning system

08 May 2020 — KWR Water developed a method to monitor the presence of the Coronavirus (SARS-CoV2) in sewage. Whereas the testing…

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News

Update COVID-19 sewage research

06 May 2020 — When the coronavirus first reached the news at the end of last year, the microbiologists at KWR Water…

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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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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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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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