A Cook County judge ordered Police Union President John Catanzara on Friday to stop making public statements on social media or in the media that encourage police officers not to comply with the city’s COVID-19 vaccine mandate until a hearing Oct. 25.

With Halloween and Día de los Muertos fast approaching, state health officials released guidelines Friday to help people safely celebrate common fall traditions, like trick-or-treating and visits to pumpkin patches.

U.S. health advisers endorsed a booster of Johnson & Johnson’s COVID-19 vaccine Friday, citing growing worry that Americans who got the single-dose shot aren’t as protected as those given two-dose brands.

Police and other first responders — who come in close physical contact with Chicagoans — must be vaccinated to protect the health and safety of Chicagoans, Mayor Lori Lightfoot said. 

Fraternal Order of Police President John Catanzara's actions and rhetoric "threatens the health and safety of Chicago’s residents and first responders," Mayor Lori Lightfoot said.

Located on Chicago’s West Side, North Lawndale is a neighborhood that has dealt with decades of disinvestment and vacant spaces. Community members have taken things into their own hands by creating community gardens and safe spaces for the next generation.

The panel of outside advisers to the Food and Drug Administration voted unanimously to recommend a booster shot for seniors, as well as younger adults with other health problems, jobs or living situations that put them at increased risk from COVID-19.

The Food and Drug Administration said Thursday it will ask its outside experts to meet in late November to scrutinize Merck’s pill to treat COVID-19.

A University of Illinois Chicago lab and its partners have been tracking the virus that causes coronavirus in wastewater and sharing the data with local public health agencies. 

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. 

Chicago Public Schools CEO Pedro Martinez said those staffers who are not fully vaccinated by Friday’s deadline must consent to weekly testing, but will not be immediately barred from working, as had previously been threatened.

The Food and Drug Administration is wrestling with whether and when to offer another dose of the single-shot Johnson & Johnson COVID-19 vaccine, while a new study out Wednesday raises the prospect that using a different brand as the booster might work better.

Beleaguered business owners and families separated by COVID-19 restrictions rejoiced Wednesday after the U.S. said it will reopen its land borders to nonessential travel next month, ending a 19-month freeze.

Doctors have long recommended daily low-dose aspirin for many patients who already have had a heart attack or stroke. The task force guidance does not change that advice. 

With many Americans who got Pfizer vaccinations already rolling up their sleeves for a booster shot, millions of others who received the Moderna or Johnson & Johnson vaccine wait anxiously to learn when it's their turn.

Airline employees refusing COVID-19 vaccines could lose their jobs. What impact could that have on the airline industry?