coronavirus.From July 16 to July 19, daily samples were taken from the Greenway Wastewater Treatment Plant, which treats 60 per cent of London’s wastewater.The test is meant to provide an early indicator if cases are increasing in the community.“This is an exciting and innovative technology available to London,” says Scott Mathers, director of water and wastewater at the City of London.“These early results are encouraging and will provide the Middlesex-London Health Unit and London’s hospitals’ additional information to help fight the virus.” Dundas Place to close to vehicles on weekends to help economic recovery The samples were analyzed by a team led by R.