The Cook County sheriff says an advocate for detainees is lying about what the jail has done to curb the coronavirus. She responds on “Chicago Tonight.”

State officials on Wednesday reported the highest single-day increase in COVID-19 cases for the month of July, prompting a stern warning from Illinois’ top doctor: Wear a mask or we’ll move backwards.

As workers return to offices, children prepare to return to schools and those desperate for normalcy again visit malls and restaurants, the emerging science points to a menacing reality: If people who appear healthy can transmit the illness, it may be impossible to contain.

It’s become one of the most pressing questions of the summer: Will schools reopen this fall, and if so, how will they do it safely? We speak with Chicago Public Schools CEO Janice Jackson.

Illinois has a plan in place to roll back restrictions if COVID-19 positivity rates spike. Now, one of the state’s 11 regions is “dangerously close to that threshold,” Gov. J.B. Pritzker said Tuesday.

Opponents of the Lincoln Park metal shredder want General Iron closed during the COVID-19 pandemic, but if the facility checks all the right boxes, it could eventually restart operations, officials said. 

For the second week in a row, Mayor Lori Lightfoot expanded the city’s quarantine order. Starting Friday, visitors from Kansas will be required to quarantine for two weeks in effort to stop the spread of the coronavirus. 

Through the use of aggressive strategies and widespread testing, the Cook County Sheriff’s Office was able to successfully mitigate the spread of COVID-19 inside the Cook County Jail, according to a new study.

As Chicago reimposes restrictions to stop a recent uptick in coronavirus cases, Gov. J.B. Pritzker implored residents to wear face coverings to “protect the gains we’ve made” against the virus.

Chicago bars will no longer be able to serve customers indoors starting Friday as part of a rollback ordered by Mayor Lori Lightfoot following an increase in the number of coronavirus cases.

Saturday marks the state’s fourth consecutive day in which more than 1,000 new cases of COVID-19 were confirmed. After falling below 1,000 new cases per day from June 6 to July 8, this month has so far seen seven days above 1,000.

COVID-19 is disproportionately impacting Black and Brown communities, but the opioid crisis is also taking a “devastating toll” on Chicago-area residents this year, Cook County Board President Toni Preckwinkle said.

Museums and aquariums can now reopen their doors — with restrictions — but few of them have, and at least one Chicago institution says it will remain closed until phase five of Illinois’ reopening plan.

Will an uptick in COVID-19 cases lead to more restrictions across the city and state? Our politics team takes on that story and more in this week’s roundtable.

Even if you practice safe habits, there’s always a chance you’ll come into contact with someone who has COVID-19. There’s no guarantee you’ll get it too, but there’s also no guarantee you won’t. So what then?

Chicago bars have been open since the middle of June, and since that time, new coronavirus cases in young people are spiking. How are bar owners and managers handling their business — and the safety of customers and employees?