Chicago has reported its first cases of West Nile virus this year. Earlier this month, a DuPage County woman became the first known person in Illinois to contract the virus, which is transmitted through mosquito bites.

Wisconsin’s infection rate is now averaging 31 new COVID-19 cases per 100,000 residents, per day, over seven days. A minimum of 15 cases per 100,000 residents triggers Chicago’s quarantine order.

Mayor Lightfoot called the life expectancy gap between Black and White residents “unacceptable,” as the Chicago Department of Public Health issued a new report that found systemic racism pervades nearly every aspect of civic life.

The Midwest is now the center of the coronavirus pandemic, Dr. Allison Arwady said Tuesday, but Chicago has begun making “definite progress” against a surge of infections among young adults and Latinos.

A push to build a first-of-its-kind workforce to conduct community-level contact tracing is months behind schedule, even as health officials brace for a surge in infections at the start of the traditional flu season.

As summer nears its end, Chicago is seeing COVID-19 cases rise, and suburban Cook County is showing warning signs of increased risk of transmission of the virus, according to state officials. We check in with Chicago Department Public Health Commissioner Dr. Allison Arwady.

Chicago health officials will continue to recommend that anyone exposed to someone diagnosed with the coronavirus be tested for COVID-19, despite new guidance from the CDC that ignited a firestorm of controversy.

Chicago officials have begun using the state’s method to calculate the single most important benchmark for tracking the spread of the coronavirus — positivity rates — as confirmed cases of the virus continue to rise statewide.

Inspectors shut down an illegal party at a Humboldt Park warehouse where revelers were not wearing masks or following social distancing rules, city officials said Monday.

Illinois and Chicago officials disagree on how to calculate the single most important benchmark for tracking the spread of the coronavirus, even as the number of confirmed cases of the virus continues to rise statewide.

The city outlined a laundry list of rules General Iron would have to abide by in order to start up its metal shredding operation on the Southeast Side, while neighbors continue to push officials to deny the company’s permit application — which has yet to be filed.

Chicago bars will no longer be able to serve customers indoors starting Friday as part of a rollback ordered by Mayor Lori Lightfoot following an increase in the number of coronavirus cases.

With temperatures set to soar in Chicago in the coming days, Dr. Allison Arwady reassured residents that it’s “safe and appropriate” to use air conditioning in their apartments and homes without risking the spread of COVID-19.

Mayor Lori Lightfoot on Wednesday delivered a blunt warning to young adults in Chicago: you are spreading the coronavirus, and threatening the tentative progress Chicago has made in fighting the pandemic.

An analysis of city data shows the majority of Chicago ZIP codes have positivity rates at or below those needed move into phase four, but one has a rate of 15.3%. We discuss metrics and reopening with Chicago’s top doctor.

Mayor Lori Lightfoot announced Monday that Chicago will move into phase four of its reopening plan Friday, along with the rest of the state, but continued to hammer home her themes of vigilance and caution.