Alexa Ruiz, 10, gets a COVID-19 test by health care worker Vicky Bustamante at the Esperanza Health Centers’ drive-thru COVID-19 testing pod on Dec. 20, 2021, in Chicago. The Ruiz family was getting tested as a precaution following exposure to a classmate in CPS who tested positive. (Stacey Wescott / Chicago Tribune)
