Tracking COVID-19 with wastewater


How the virus’s chemical signature gives advance warning of the rise and fall of community transmission. As the pandemic’s second wave tightens its grip across the country, researchers, municipalities, and public health agencies are experimenting with a COVID-19 early warning system that tests wastewater for the virus’s unique chemical signature. Swab tests for the coronavirus are expensive and we aren’t capturing enough data for a true picture of how many people are infected, say epidemiologists.


Overcoming COVID and staying at work

There is little doubt that 2020 will be remembered as the year of the COVID-19 shutdown, when all manner of businesses and offices simply closed their doors while everyone stayed at home. But the reality behind that image has been more complicated. The ongoing need for essential services like food and energy meant that people...