Published: Jul 24, 2020, 05:10 IST | Updated: Jul 24, 2020, 05:10 IST
Traces of COVID-19 are being monitored in sewage water in Paris which French scientists hope will help track the evolution of the outbreak. At a treatment plant in the suburbs of the city, the sewage water of some 350,000 residents in the east of Paris comes to be cleaned.