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In this Aug. 10, 2021, file photo, Fraternal Order of Police Lodge 7 President John Catanzara speaks to reporters at the Leighton Criminal Courthouse in Chicago. (Ashlee Rezin / Chicago Sun-Times via AP, File)

In a video posted online Tuesday, Fraternal Order of Police President John Catanzara vowed to take Mayor Lori Lightfoot’s administration to court if it tries to enforce a mandate, which requires city workers to report their vaccine status by the end of the work week. 

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New Chicago Public Schools CEO Pedro Martinez says by the end of last week, testing had made it to all but a dozen CPS schools, but also as of late last week, less than 4% of students had consented to participate. (WTTW News)

Who would have imagined that students and their parents would be upset about not enough testing in schools? But that’s the case in Chicago, where the district’s been slow to roll out COVID-19 testing.

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Pedro Martinez speaks Wednesday, Sept. 15, 2021 outside his alma mater, Benito Juarez High School in Pilsen. (WTTW News)

The policy change, which applies to unvaccinated students and takes effect Saturday, comes after more than 15,500 students were forced to quarantine during the first four weeks of the school year, but only 1.6% tested positive for COVID-19 after being exposed to the virus, according to officials.

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(WTTW News)

Dr. Allison Arwady said investigators have not found any evidence that COVID-19 had been transmitted to students or teachers at Jensen Elementary School. “I know people are worried,” Arwady said. “The desire when something tragic like this happens is to pin blame on someone or something. But the blame here really belongs to the virus.”

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(WTTW News)

Mayor Lori Lightfoot told WTTW News on Monday night she was “disappointed” that efforts to test all Chicago Public Schools students and staff for COVID-19 had gotten off to a slow and confusing start. 

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(AP Illustration / Peter Hamlin)

The latest guidance from the U.S. Centers for Disease Control and Prevention says people who are fully vaccinated should get tested three to five days after a potential exposure, even if they don’t have symptoms.

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Lollapalooza will return to Chicago at full capacity from July 29 to Aug. 1, 2021. (WTTW News)

More than 100,000 fans are expected to attend the massive four-day music festival that starts Thursday. “We’ve been having large-scale events all over the city since June without major problems or issues," Mayor Lori Lightfoot said.

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(Annie Spratt / Unsplash)

Dozens of different at-home COVID-19 tests are now available from big-box retailers and pharmacies. But before you run out and buy one, a few words of caution from Dr. Emily Landon, an infectious disease specialist at UChicago Medicine.

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In this Jan. 25, 2021, file photo, a person wearing face mask as a precaution against the coronavirus walks near a sign advertising a rapid COVID-19 testing site in Philadelphia. (AP Photo / Matt Rourke, File)

Federal health officials’ new, more relaxed recommendations on masks have all but eclipsed another major change in guidance from the government: Fully vaccinated Americans can largely skip getting tested for the coronavirus.

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(WTTW News)

As schools across Illinois welcome back more students for in-person learning, state officials have announced a new investment to increase access to COVID-19 testing “at low or no cost.”

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(WTTW News)

On Monday, officials announced all city-run coronavirus testing sites will be closed Tuesday due to the weather. The sites have been closed since Friday in observance of Lincoln’s Birthday and Presidents Day.

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In this Dec. 22, 2020 file photo, people wait in line at a Delta Air Lines gate at San Francisco International Airport during the coronavirus pandemic in San Francisco. (AP Photo / Jeff Chiu, file)

Leaders of several major U.S. airlines met online Friday with White House officials to press their case against requiring coronavirus tests for passengers on domestic flights, saying it would undermine the already fragile industry.

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(AP Illustration / Peter Hamlin)

The short answer: It depends on where you’re going. In an effort to limit the spread of new coronavirus variants, many countries are requiring incoming travelers to show a recent negative test.

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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.

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(Foundry Co / Pixabay)

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.

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(WTTW News)

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.