Experts worry about how US will see next COVID surge coming
By MIKE STOBBE Associated Press | Saturday, March 26, 2022, 12:05 a.m.
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Emily Lu, a student in the environment science graduate program at Ohio State, tries to extract ribonucleic acid (RNA) from wastewater samples to test for fragments of the coronavirus Wednesday at a school lab in Columbus, Ohio. (AP Photo/Patrick Orsagos)