As the delta variant continues to drive a spike in COVID-19 cases, two recent reports outline the challenges of tracking so-called breakthrough cases in fully vaccinated people. We discuss the importance — and limitations — of disease surveillance.

On Chicago’s Southwest Side, Garfield Ridge is home to Midway Airport. It has a significant first responder population and many senior citizens. We talked with community leaders about the pandemic’s continuing health and economic impact — and one organization using wrestling to empower youth.

Health officials are advising people not to eat Fratelli Beretta brand prepackaged uncured antipasto trays, which have been linked to salmonella outbreaks that have sickened 36 people across the country. 

After a weekslong surge in COVID-19 infections and hospitalizations, Gov. J.B. Pritzker on Thursday announced an indoor mask mandate for all Illinois residents and a vaccine requirement for pre-K through 12th grade teachers and staff, among others.

The U.S. is projected to see nearly 100,000 more COVID-19 deaths between now and Dec. 1, according to the nation’s most closely watched forecasting model. But health experts say that toll could be cut in half if nearly everyone wore a mask in public spaces.

The mandate is likely to trigger a legal battle with the Fraternal Order of Police, Lodge 7, which represents the city’s 12,000 rank-and-file officers.

Many people had big plans for summer: travel, concerts, gatherings with family and friends. But now, the more transmissible delta variant of COVID-19 is delaying, once again, a full reopening in Chicago and beyond. How to move past the feeling of being stuck.

Gov. J.B. Pritzker recently signed into law a pair of bills that update sex education for K-12 schools in Illinois. Supporters say the move will offer students age-appropriate information, but critics say the new standards go too far.

As Chicago inches toward the replacement of its lead service lines, officials need help identifying where those pipes are. Here’s a simple way to determine whether you’ve got lead, steel or copper lines running into your home.

As the COVID-19 surge continues across the state and more people are hospitalized by the virus, Gov. J.B. Pritzker warned new mitigations could be on the horizon.

The Rev. Jesse Jackson said Tuesday that he’s feeling “fairly well” and receiving great care at a Chicago hospital after a breakthrough COVID-19 infection.

Federal health officials are investigating multistate salmonella outbreaks linked to Italian-style meats, including salami and prosciutto, that have sickened 36 people across the country, including four in Illinois.

Chicago officials added four states to the city’s COVID-19 travel advisory on Tuesday as the number of cases continues to spike with the spread of the delta variant of the virus.

President Joe Biden says people who have been waiting for the FDA to formally approve a COVID-19 vaccine should get their shot now to stem what he calls a “pandemic of the unvaccinated.” Dr. Michael Angarone of Northwestern Medicine weighs in on that and more.

City workers will “absolutely” have to be vaccinated against COVID-19, Mayor Lori Lightfoot said Monday, promising a formal announcement in “days.”

Portions of Albany Park, Lincoln Square, Irving Park and North Center are slated for mosquito spraying Wednesday to protect residents against West Nile virus, according to the Chicago Department of Public Health.