Credit: This photo taken on May 19, 2020 shows samples taken from a sewer by hydrographers being collected in Melbourne. - Australia is getting down and dirty to combat the COVID-19 coronavirus pandemic -- unrolling a vast programme of sewage testing this week in the hope of finding hidden clusters of the virus. (Photo by William WEST / AFP) / TO GO WITH Health-virus-Australia-sewage,FOCUS by Tania Lee and Holly Robertson (Photo by WILLIAM WEST/AFP via Getty Images)
A scoop in your poop: How DC, Va. plan to use wastewater to track COVID spread
