Could passengers on domestic flights soon be tested for COVID-19 before takeoff? Crain’s Chicago Business editor Ann Dwyer has details on that story and more business news.

Early detection of the coronavirus is crucial for reducing its spread, even as vaccinations ramp up. Now, researchers have created a DIY smell and taste challenge – and all you need is your morning cup of joe.

Four city-run COVD-19 test facilities will be closed from Friday through Wednesday as an arctic blast bears down on the city, officials announced Thursday. The facilities require staff members and volunteers to work outside to test people inside their cars.

United Airlines on Thursday became the fourth major airline with routes between London and the New York metropolitan area to require passengers show proof they have been tested negative recently for the novel coronavirus.

The first home test for COVID-19 that doesn’t require a prescription will soon be on U.S. store shelves.

As officials imposed sweeping restrictions designed to stop a sustained and grave surge of the coronavirus, Chicago health officials stopped showcasing the number of people who test positive for COVID-19.

The coronavirus testing numbers that have guided much of the nation’s response to the pandemic are likely to be erratic over the next week or so, experts said Friday, as fewer people get tested during the Thanksgiving holiday weekend.

The announcement by the Food and Drug Administration represents an important step in U.S. efforts to expand testing options for COVID-19 beyond health care facilities and testing sites. 

When the pandemic hit, city officials found there was a significant information gap when trying to collect race and ethnicity data. What researchers at DePaul University is doing to help narrow that gap.

After struggling to ramp up coronavirus testing, the U.S. can now screen several million people daily, thanks to a growing supply of rapid tests. But the boom comes with a new challenge: keeping track of the results.

The goal of contact tracing is to alert people who may have been exposed to someone with the coronavirus, and prevent them from spreading it to others. But the process isn’t easy. 

Who can get a test? Where can you get one? And how much do tests costs? Here’s what you need to know about coronavirus testing in Illinois.

U.S. Sen. Dick Durbin is raising concerns about coronavirus testing at the nation’s schools, colleges and universities in the wake of incidents in which he says the federal government “commandeered” supplies.

Chicago health officials will continue to recommend that anyone exposed to someone diagnosed with the coronavirus be tested for COVID-19, despite new guidance from the CDC that ignited a firestorm of controversy.

Chicago officials have begun using the state’s method to calculate the single most important benchmark for tracking the spread of the coronavirus — positivity rates — as confirmed cases of the virus continue to rise statewide.

Illinois and Chicago officials disagree on how to calculate the single most important benchmark for tracking the spread of the coronavirus, even as the number of confirmed cases of the virus continues to rise statewide.