(WTTW News)

COVID-19 hospitalizations for children have reached a record high in Chicago. The city is currently seeing a daily average of about seven hospitalizations. Despite these numbers, some data suggest the omicron variant is causing a milder illness in kids.

In this file photo, family members wearing masks walk along the sidewalk in the Humboldt Park neighborhood on Thursday, May 7, 2020.  (WTTW News)

As the highly infectious delta variant continues to spread rapidly throughout the country, more children are testing positive for COVID-19. Could the return of in-person learning trigger even more cases?