CHICAGO – People traveling to Chicago from 15 states with increasing numbers of confirmed cases of the coronavirus will have to quarantine for two weeks upon arrival or face possible fines, city officials announced Thursday.To comply with the order that takes effect Monday, travelers must stay at a single home or other dwelling for 14 days except to seek medical care or be tested for COVID-19.Mayor Lori Lightfoot said on Twitter that the order is intended to “preserve the gains Chicago had made.”EFFECTIVE MONDAY: To preserve the gains Chicago has made, we're issuing an Emergency Travel Order directing travelers entering or returning to Chicago from states experiencing a surge in new COVID-19 cases to quarantine for a period of 14 days.