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

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.

Our goal is to create a safe and engaging place for users to connect over interests and passions. In order to improve our community experience, we are temporarily suspending article commenting