Alexa Ruiz, 10, gets her temperature taken by health care worker Jessica Gonzalez at the Epsperanza Health Centers’ drive-thru COVID-19 testing pod on Dec. 20, 2021, in Chicago. The Ruiz family was there getting tested as a precaution following exposure to a classmate in CPS who tested positive. (Stacey Wescott / Chicago Tribune)
Do you need a COVID test? A University of Chicago expert breaks down testing dos and donts during the Omicron surge – Chicago Tribune
