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(PublicDomainPictures / Pixabay)

Researchers at the University of Chicago Medicine have found an apparent link between vitamin D deficiency and the likelihood of getting COVID-19. Paleontologist Neil Shubin has details on that story and more.

“We are not canceling Halloween,” said Dr. Allison Arwardy, Chicago’s top doctor.

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(Pexels / Pixabay)

The Centers for Disease Control and Prevention released guidelines Tuesday to help people understand the potential risks associated with common fall and winter traditions, like trick-or-treating and holiday travel.

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Gov. J.B. Pritzker gives an update on the coronavirus on Wednesday, Sept. 23, 2020. (WTTW News)

Gov. J.B. Pritzker provided an update on the coronavirus pandemic in Illinois on Wednesday, touting the state’s success with testing for the virus — and noting one particular geographic area that’s at risk of tighter restrictions.

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(FotoshopTofs / Pixabay)

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.

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In this July 31, 2020, file photo, Romelia Navarro, right, is comforted by nurse Michele Younkin as she weeps while sitting at the bedside of her dying husband, Antonio, in St. Jude Medical Center's COVID-19 unit in Fullerton, Calif. (AP Photo / Jae C. Hong, File)

The U.S. death toll from the coronavirus topped 200,000 Tuesday, hitting the once-unimaginable threshold six weeks before an election that is certain to be a referendum in part on President Donald Trump’s handling of the crisis.

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(Courtesy of the Greater Chicago Food Depository)

A recent poll found that 17% of households in Chicago can’t afford to pay for both their food and bills. How COVID-19 has impacted food security in Chicago six months into the pandemic.

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People wearing face masks walk in Chicago’s Albany Park neighborhood on Friday, Sept. 18, 2020, where a spate of recent shootings have added to concerns about public safety. (WTTW News)

New cases of the coronavirus reported Sunday by state health officials bring statewide totals to 274,258 cases and 8,450 deaths since the first infection was reported in Illinois in late January.

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(WTTW News)

Who can get a test? Where can you get one? And how much do tests costs? Here’s what you need to know about coronavirus testing in Illinois.

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In this Wednesday, Sept. 16, 2020 file photo, the Centers for Disease Control and Prevention Director Dr. Robert Redfield pauses while speaking at a Senate Appropriations subcommittee hearing on a “Review of Coronavirus Response Efforts” on Capitol Hill in Washington. (AP Photo / Andrew Harnik, Pool)

U.S. health officials on Friday dropped a controversial piece of coronavirus guidance and said anyone who has been in close contact with an infected person should get tested.

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(Free-Photos / Pixabay)

Restaurants and bars in Will and Kankakee counties — Region 7 of the state, as outlined in Gov. J.B. Pritzker’s Restore Illinois Plan — can once again offer indoor dining and service beginning Friday evening.

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How one of Chicago’s Far Southwest Side neighborhoods is coping with the coronavirus.

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(Goodfreephotos_com / Pixabay)

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.

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Masked students walk through the campus of Ball State University in Muncie, Ind., Thursday, Sept. 10, 2020. College towns across the U.S. have emerged as coronavirus hot spots in recent weeks as schools struggle to contain the virus. (AP Photo/Michael Conroy)

Among the 50 large U.S. counties with the highest percentages of student residents, 20 have consistently reported higher rates of new coronavirus cases than their states have since Sept. 1, according to an Associated Press analysis.

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Centers for Disease Control and Prevention Director Dr. Robert Redfield holds up his mask as he speaks at a Senate Appropriations subcommittee hearing on a “Review of Coronavirus Response Efforts” on Capitol Hill, Wednesday, Sept. 16, 2020, in Washington. (AP Photo / Andrew Harnik, Pool)

In a report to Congress and an accompanying “playbook” for states and localities, federal health agencies sketched out complex plans for a vaccination campaign to begin gradually in January or even late this year.

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(KeithJJ / Pixabay)

Citing a lack of widespread safety protocols and limited COVID-19 testing capacity, the governor on Wednesday doubled down on his stance that it’s not yet safe for youth athletes to begin playing football or other fall sports.

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Lead and arsenic were discovered in the soil beneath the Hegewisch Little League field. (Google Streetview photo)

The EPA has completed cleanup of the Hegewisch Little League Field after discovering alarming levels of lead and arsenic in the soil.