Wastewater surveillance -- which Dutch scientists showed in March can identify evidence of the pathogen earlier than testing patients -- is one of a handful of strategies around the world being developed to pinpoint emerging hotspots and flare-ups before cases spiral out of control.“If you think the community has no Covid, but it’s found in the wastewater, then you know it’s there somewhere," said Dale A.
Fisher, an infectious diseases physician at Singapore’s National University Hospital and chair of the Global Outbreak Alert and Response Network, a group that monitors and reacts to dangerous epidemics.With countries from Australia to Spain struggling to arrest fresh waves of the contagion, scientists and public health officials are.