For the first time in nearly a year, visitors to Chicago from anywhere within the United States do not have to quarantine for 10 days or record a negative test for COVID-19, city officials announced Tuesday.

A DePaul University study of nearly 280 long-haulers — people who experience symptoms of COVID-19 months after their initial diagnosis — found that while most of the symptoms improved over time, some lingered or even got worse.

On Memorial Day, Americans remember and celebrate members of the military who made the ultimate sacrifice. But living veterans have fought another enemy over the past year: the coronavirus pandemic.

Barring quick action from the General Assembly, a requirement that health insurance companies treat virtual visits as they would regular, in-person appointments will soon lift. Lawmakers appear to be on the verge of extending that mandate before Monday’s planned adjournment.

Vietnam has discovered a new coronavirus variant that’s a hybrid of strains first found in India and the U.K., the Vietnamese health minister said Saturday.

Some local doctors say scrapping mask mandates is premature, and increases the risk of COVID-19 for essential workers, many of whom are Latino.

After two months and 42,000 jabs, the city-run mass vaccination site near Wrigley Field will close Saturday, as efforts to bring a COVID-19 vaccine directly to residents ramp up, officials said.

Paseo Boricua has been the heart and soul of Chicago’s Puerto Rican community for decades. But the area has been impacted in recent years by gentrification and displacement of some longtime residents, as rents rise and luxury buildings sprout up on its borders. 

The city has yet to replace a single lead service line in the eight months that have elapsed since Mayor Lori Lightfoot rolled out her plan, officials acknowledged.

COVID-19 mass vaccination sites in Tinley Park, South Holland and River Grove will close Thursday as demand for the vaccine wanes and officials redeploy resources to focus on community-based vaccination efforts.

The Centers for Disease Control and Prevention is investigating a small number of reports that adolescents and young adults who received the Pfizer or Moderna shot experienced inflammation of the heart muscle.

Two leading congressional Democrats issued a call Wednesday for ideas on a “public option” health insurance plan, a campaign promise of President Joe Biden’s that faces long odds politically.

President Joe Biden on Wednesday asked U.S. intelligence officials to “redouble” their efforts to investigate the origins of the COVID-19 pandemic, including any possibility the trail might lead to a Chinese lab.

A boil order was not necessary on Tuesday “because of the temporary nature of the issue,” according to Chicago water officials. 

Moderna said Tuesday its COVID-19 vaccine strongly protects kids as young as 12, a step that could put the shot on track to become the second option for that age group in the U.S.

Health officials are launching a statewide system to monitor COVID-19 and its variants in wastewater that will provide early warnings of a potential outbreak on a county-by-county basis.