Name: Wastewater samples reveal record levels of Covid across U.S.
Uploaded: Tue Jan 04 2022 20:43:08 GMT+0000 (UTC)
Duration: 4 min 1 s
Description: Wastewater samples are revealing record levels of the Covid-19 virus across the U.S. NBC News’ Alicia Lozano explains how researchers study and measure coronavirus levels in wastewater.

Jan. 4, 202204:01

Experts say wastewater samples reveal record levels of Covid across U.S.