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Top infectious disease expert Dr. Anthony Fauci responds to accusations by Sen. Rand Paul, R-Ky., as he testifies before the Senate Health, Education, Labor, and Pensions Committee, on Capitol Hill in Washington, Tuesday, July 20, 2021. (AP Photo / J. Scott Applewhite, Pool)

The United States is in an “unnecessary predicament” of soaring COVID-19 cases fueled by unvaccinated Americans and the virulent delta variant, the nation’s top infectious diseases expert said Sunday. 

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(WTTW News)

Chicago Public Schools students and staff must continue wearing masks inside facilities and maintain 3 feet of social distancing where possible when in-person learning resumes at the end of August.

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Actors perform during the opening ceremony at the Olympic Stadium at the 2020 Summer Olympics, Friday, July 23, 2021, in Tokyo. (AP Photo / Morry Gash)

Belated and beleaguered, the virus-delayed Tokyo Summer Olympics finally opened Friday with cascading fireworks and made-for-TV choreography that unfolded in a near-empty stadium, a colorful but strangely subdued ceremony that set a striking tone to match a unique pandemic Games.

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Chicago Mayor Lori Lightfoot is past her halfway point as mayor, leading the nation’s third largest city. (Credit: CNN)

Chicago Mayor Lori Lightfoot has been criticized as “racist” — even as a Black woman — and she’s been called “notoriously thin-skinned” but she remains determined to leave a legacy far beyond her time in office.

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(AP Illustration / Peter Hamlin)

A “breakthrough” case is when a fully vaccinated person gets infected with the coronavirus. A small number of such cases are expected and health officials say they’re not a cause for alarm.

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Lollapalooza will return to Chicago at full capacity from July 29 to Aug. 1, 2021. (WTTW News)

Illinois’ governor says he’ll be among thousands of people flocking to Grant Park next week for the massive music festival, even as the delta variant drives a rise in the number of COVID-19 cases in Chicago and across the U.S.

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Lollapalooza will return to Chicago at full capacity from July 29 to Aug. 1, 2021. (WTTW News)

The massive music festival that routinely attracts more than 100,000 people per day to its stages starts next week as the delta variant drives a rise in COVID-19 cases. Should the show go on? A local music critic and an infectious disease doctor share their thoughts.

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The University of Illinois at Champaign-Urbana. (WTTW News)

What will the fall semester look like on college campuses? We discuss reopening plans with the leaders of three area universities.

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(Free-Photos / Pixabay)

Drinking at least one cup of coffee per day was associated with a decreased risk of about 10% when it came to contracting COVID-19, according to a new Northwestern Medicine study.

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In this July 1, 2021, file photo, people walk through Salt Lake City International Airport in Salt Lake City. (AP Photo / Rick Bowmer, File)

Reports of athletes, lawmakers and others getting the coronavirus despite vaccination may sound alarming but top health experts point to overwhelming evidence that the shots are doing exactly what they are supposed to: dramatically reducing severe illness and death. 

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A patient performs COVID-19 rehabilitation exercises under medical supervision at the Shirley Ryan AbilityLab. (Courtesy of Shirley Ryan AbilityLab)

Many survivors of COVID-19 experience long-term symptoms including shortness of breath and fatigue. A new study finds damage to the lungs may not be the only cause.

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Gov. J.B. Pritzker sits down for an interview with Paris Schutz on July 20, 2021. (WTTW News)

The governor launched his reelection campaign Monday, touting his leadership of the state through the COVID-19 pandemic. But Republican opponents used the occasion to bash what they have called a “disastrous” tenure. 

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Mayor Lori Lightfoot addresses Chicago’s violent holiday weekend on July 6, 2021. (WTTW News)

The more transmissible delta variant now accounts for approximately 44% of all confirmed cases of the coronavirus in Chicago, said Dr. Allison Arwady, the commissioner of the Department of Public Health.

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FILE - In this March 2, 2021 file photo, a student plays the flute while wearing a protective face mask during a music class at the Sinaloa Middle School in Novato, Calif. (AP Photo / Haven Daily)

With COVID-19 cases soaring nationwide, school districts across the U.S. are yet again confronting the realities of a polarized country and the lingering pandemic as they navigate mask requirements, vaccine rules and social distancing requirements for the fast-approaching new school year.

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(AP Illustration / Peter Hamlin)

The U.S. Centers for Disease Control and Prevention says the risk of COVID-19 is low if you’re fully vaccinated, and that you can resume indoor and outdoor activities without wearing a mask or social distancing.

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Gov. J.B. Pritzker appears on “Chicago Tonight” via Zoom on Thursday, June 3, 2021. (WTTW News)

Gov. J.B. Pritzker, 56, has announced he will run for a second term as Illinois governor and put his response to the COVID-19 pandemic at the center of his bid for reelection.