The CDC wants state and local sewage systems tested for coronavirus Depending on the level of virus in the sewage, wastewater testing can also be a leading indicator of a worsening outbreak, the CDC says. Noah Higgins-Dunn CNBC

The federal government is teaming up with local health departments to begin testing sewage systems for the coronavirus in an effort to catch the virus before it spreads rapidly, according to the U.S. Centers for Disease Control.