How poo can help track COVID19
Since the beginning of the epidemic, researchers across the world have been tracing the spread of the coronavirus through waste water and sewage.
Researchers have found genetic traces of Sars-Cov-2 -- as the virus is officially known -- in waste water in toilets, sewers and sewage farms from Brisbane to Paris and Amsterdam. It could even allow experts to "track the virus", French virologist Professor Vincent Marechal of the Sorbonne university in Paris told AFP.
Given the large number of coronavirus cases that have little or no symptoms, waste water testing could signal the presence of the virus even before the first cases are clinically confirmed in areas untouched by the epidemic or where it has ebbed. Having found the virus in waste water in Queensland, he said it could also be a key indicator to show if lockdown and other measures were working.
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