STAT June 24, 2021
Essential data can be found in the most unexpected places, including the wastewater flowing freely through sewers.
During the early months of the Covid-19 pandemic, cities began tapping their wastewater to look for evidence of SARS-CoV-2, the virus that causes Covid-19. Now, more than a year into the pandemic, it’s clear that sewage surveillance carries several advantages over traditional surveillance.
Unlike individual testing, wastewater testing captures virus shed by symptomatic and asymptomatic people alike, and can test en masse the 80% of U.S. households connected to a sewer system. Such testing can detect exactly when dangerous viral variants enter a community and provide an early warning to public officials. It can even predict new outbreaks with a lead time of...