She said in a tweet just before 10 a.m. that she has mild symptoms and will isolate as she recovers.
RELATED: Illinois COVID cases: IL reports 21,098 new cases, 50 deaths
"I'm so relieved to be fully vaccinated and boosted. If you have yet to do so, please get vaccinated, your booster and wear a mask. I appreciate your prayers and good vibes!" Stratton said.
Stratton is a native of Chicago's South Side and lives in the city's Bronzeville neighborhood with her family.
On Wednesday, Illinois reported a record-high 21,098 new COVID cases, as the omicron variant continues to spread across the state.