Live Covid-19 Live Updates: U.S. and Europe Debate Vaccine Access to Countries in Need Japan extends lockdown restrictions less than three months before the Olympic Games. Researchers in 54 countries are tracking the coronavirus in sewage, according to the Covid19Poops Dashboard, a global directory of the projects. When the number of diagnosed Covid-19 cases in an area increased, more coronavirus appeared in the wastewater. Several teams have also confirmed that sewage can serve as an early warning system: Wastewater viral levels often peaked days before doctors saw a peak in official Covid-19 cases. The approach is likely to be especially valuable in low- and middle-income countries, where testing resources are more limited.

Source: International New York Times May 07, 2021 08:58 UTC