Rise in Covid-19 traces found in Paris water

Three beakers and a pipette with clear liquid. There has been a minimal rise in Covid-19 traces found in Paris water
Health agencies are working on plans to use non-drinking water to monitor Covid-19 infection rates in France.

Results from recent tests show a resurgence of SARS-CoV-2 - the virus that causes Covid-19 - in water in the French capital at minimal levels, as the government considers how to control a possible second wave of the virus in France.

Traces of the Covid-19 in Parisian non-drinking water over the past 14 days indicate a slight return of the virus, two months after confinement measures were lifted in Ile-de-France. However, it is too early to say the epidemic has returned, according to experts. 

Water tests give advanced Covid-19 warning

When an infected person uses the lavatory, they expel cells containing the Covid-19 virus which then contaminate the toilet water. These infected cells remain present in the water some days after infection and before the first symptoms of the virus are apparent.

As such, testing non-drinking water can give advanced warning of the spread ...

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