'Early Warning': Scientists Collect Wastewater Samples To Thwart Coronavirus Outbreaks On College Campuses
'Early Warning': Scientists Collect Wastewater Samples To Thwart Coronavirus Outbreaks On College Campuses

With thousands of positive cases forcing quarantines and a return to remote learning, colleges across the nation are studying poop to determine if the novel coronavirus is present in dormitories and college communities.

Katie Johnston reports.