The city’s travel order has been suspended since June 1, when seven states moved from the orange tier to the less-restrictive yellow tier.

A new analysis of blood samples from 24,000 Americans taken early last year is the latest and largest study to suggest that the new coronavirus popped up in the U.S. in December 2019 — weeks before cases were first recognized by health officials. 

The approaching 600,000 mark, as tracked by Johns Hopkins University, is greater than the population of Baltimore or Milwaukee. It is about equal to the number of Americans who died of cancer in 2019. And as bad as that is, the true toll is believed to be significantly higher.

The Novavax vaccine, which is easy to store and transport, is expected to play an important role in boosting vaccine supplies in the developing world.

The nation’s largest, most influential doctors’ group is holding its annual policymaking meeting amid backlash over its most ambitious plan ever — to help dismantle centuries-old racism and bias in all realms of the medical establishment.

The city and state are fully reopened after a long 15 months. The remap fights heat up. A former alderman may have secretly recorded former House Speaker Michael Madigan. And an elected school board is on the agenda in Springfield.

Temporary side effects including headache, fatigue and fever are signs the immune system is revving up – a normal response to vaccines. And they’re common.

Leaders from the Group of Seven industrialized nations are set to commit at their summit to sharing at least 1 billion coronavirus shots with struggling countries around the world — half the doses coming from the U.S. and 100 million from the U.K.

The city and state’s full reopening is a double-edged sword for many in the hospitality and entertainment industry. They wonder: the crowds may be coming back, but will the labor force return?

All businesses will be allowed to operate at full capacity and gatherings of all sizes will be permitted, according to the new rules.

ComEd officials said they were not responsible for the outages on May 6 and May 25 at the Roseland Pumping Station.

The Centers for Disease Control and Prevention reports the COVID-19 vaccine can cause swelling in the lymph nodes in the underarm where women received the shot, which the agency says is normal. But that swelling can appear in mammograms. Here’s what you need to know. 

The company said a Food and Drug Administration review concluded the shots remain safe and effective for at least 4 1/2 months. In February, the FDA originally authorized J&J’s vaccine for up to three months when stored at normal refrigeration levels.

Breaking the cycle of drug and alcohol addiction is a challenge made even tougher once the criminal justice system gets involved. A new program is helping those recovering find refuge in their own homes.

At least 15 cases of the COVID-19 Delta variant were identified in Chicago through Tuesday, city officials said. 

The Food and Drug Administration said it granted approval to the drug from Biogen based on results that seemed “reasonably likely” to benefit Alzheimer’s patients. It’s the only drug that U.S. regulators have said can likely treat the underlying disease, rather than manage symptoms like anxiety and insomnia.