CDC ramps up National Wastewater Surveillance System
03:27
The CDC is monitoring more than 1,000 Covid-19 wastewater collection sites nationwide as wastewater data is a valuable way to detect the virus before it spreads. NBC News’ Erika Edwards visits a site at UNC Charlotte to show how it all works. March 8, 2022
UP NEXT
U.S. finds Palestinian-American journalist Shireen Abu Akleh ‘likely’ killed by Israeli troops
02:55
What’s next for the investigation into the deadly Highland Park July Fourth parade shooting?
02:30
Family of Jayland Walker call for police reform following fatal police shooting
03:54
Protests erupt after Akron police release footage of fatal Jayland Walker shooting
04:09
How can police prevent shootings at large gatherings?
03:13
Biden urges Americans to vote to combat gun violence after deadly July Fourth shooting