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New York: Marc Johnson saw trouble in the water. Johnson, a virus expert at the University of Missouri, had spent much of 2020 studying sewage, collecting wastewater from all over the state and analysing it for fragments of the coronavirus. People with COVID-19 shed the virus in their stool, and as the coronavirus spread throughout Missouri, more and more of it began to appear in the state’s wastewater.
In January, Johnson spotted something new in his water samples: traces of B.1.1.7, a more contagious variant that was first detected in Britain. Officially, the state had no confirmed cases of B.1.1.7, but the wastewater suggested that the variant had arrived. By the end of the month, the B.1.1.7 levels in Johnson’s water samples had risen sharply, and in early February, the state finally found its first case. It has since found hundreds more.
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From the Wastewater Drain, Solid Pandemic Data
The coronavirus could turn sewage surveillance into a mainstream public health practice.
Marc Johnson, a virologist at the University of Missouri, examining leftover RNA from samples of wastewater collected by the Missouri Department of Natural Resources.Credit.Michael B. Thomas for The New York Times
By Emily Anthes
Marc Johnson saw trouble in the water.
Dr. Johnson, a virologist at the University of Missouri, had spent much of 2020 studying sewage, collecting wastewater from all over the state and analyzing it for fragments
of the coronavirus. People with Covid-19 shed the virus in their stool, and as the coronavirus spread throughout Missouri, more and more of it began to appear in the state’s wastewater.
New-york
United-states
Australia
United-kingdom
Missouri
Iran
Brazil
Portugal
Canada
Germany
Kathmandu
Bagmati