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How long will Chicago require proof of COVID vaccination? 'The answer lies with the unvaccinated,' Lightfoot saysDecember 22, 2021 -
New, indoor mask mandate begins Monday in Cook CountyAugust 23, 2021 -
Chicago's new, indoor mask mandate begins FridayAugust 20, 2021 -
Holcomb resists Indiana mask mandate as virus variant spikesAugust 5, 2021 -
Another indoor mask mandate? Chicago not there yet, top doc saysJuly 27, 2021