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CTA free face mask dispenser. (Courtesy of Chicago Transit Authority)

Disposable mask dispensers are being installed on 200 buses serving 20 routes, including the No. 56 Milwaukee, No. 91 Austin and No. 77 Belmont. If successful, the program will expand to all bus routes, as well as to rail stations, the CTA said.

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President-elect Joe Biden departs a news conference after introducing his nominees and appointees to economic policy posts at The Queen theater, Tuesday, Dec. 1, 2020, in Wilmington, Del. (AP Photo / Andrew Harnik)

The president-elect has frequently emphasized mask-wearing as a “patriotic duty” and during the campaign floated the idea of instituting a nationwide mask mandate.

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In this Wednesday, Sept. 16, 2020 file photo, Centers for Disease Control and Prevention Director Dr. Robert Redfield puts his mask back on after 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 are taking a new tack to encourage Americans to wear masks: They’re emphasizing recent research that a mask protects the person who wears it.

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(Rawpixel)

Dennis Haggerty, 44, was charged in federal court Tuesday with a single count of wire fraud after he allegedly took millions of dollars from a pair of university hospitals for N95 face masks which he never produced.

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(WTTW News)

After refusing requests to wear face masks or use hand sanitizer inside a North Lawndale neighborhood store, two sisters allegedly attacked a male employee, stabbing him more than two dozen times Sunday evening.

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In this July 14, 2020, file photo, a health worker performs a COVID-19 test at a Test Iowa site at Waukee South Middle School in Waukee, Iowa. (AP Photo / Charlie Neibergall, File)

The U.S. is averaging more than 40,000 new confirmed cases a day. While that number is dramatically lower than the peak of nearly 70,000 over the summer, the numbers are worrisome nonetheless. 

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(Free-Photos / Pixabay)

Starting Wednesday, people visiting bars and restaurants in Illinois will be required to wear face coverings during all of their interactions with staff, whether they are sitting indoors or outdoors, according to a new policy.

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Democratic presidential candidate former Vice President Joe Biden joined by his running mate Sen. Kamala Harris, D-Calif., replaces his face mask after speaking at the Hotel DuPont in Wilmington, Del., Thursday, Aug. 13, 2020. (AP Photo / Carolyn Kaster)

Joe Biden is calling for a nationwide protective mask mandate, citing health experts’ predictions that it could save 40,000 lives from coronavirus over the next three months.

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(Credit: Chamteut Oh / University of Illinois)

With limited supplies of critical protective equipment, University of Illinois researchers have found a new way to decontaminate N95 masks using a common kitchen appliance. 

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Visitors to Navy Pier take advantage of blue skies Friday, June 12, 2020. The popular tourist attraction reopened, with restrictions, on Wednesday, June 10. (WTTW News)

Lawmakers on Tuesday approved new rules crafted by Gov. J.B. Pritzker to reduce the spread of the coronavirus despite opposition from Illinois Republicans and the Illinois Retail Merchants Association.

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People wearing masks line up for a food drive in Brighton Park on Chicago’s Southwest Side on April 23, 2020. (WTTW News)

Despite a statewide mandate, not all residents are wearing masks. A new campaign aims to encourage folks to do just that. “A mask is like anything that keeps us safe. It only works if you wear it,” the governor said.

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A McDonald’s sign is displayed outside the fast food restaurant in Wheeling, Ill., Thursday, April 9, 2020. (AP Photo / Nam Y. Huh)

McDonald’s says it will be requiring customers to wear face coverings when entering its U.S. restaurants as the number of new virus cases continue to surge in many states.

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In this June 9, 2020, file photo, California Gov. Gavin Newsom wears a protective mask on his face while speaking to reporters at Miss Ollie's restaurant during the coronavirus outbreak in Oakland, Calif. (AP Photo / Jeff Chiu, Pool, File)

Three out of four Americans, including a majority of Republicans, favor requiring people to wear face coverings while outside their homes, a new poll finds.

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Illinois Department of Public Health Director Dr. Ngozi Ezike talks Wednesday, July 22, 2020 about the rise in coronavirus cases. (WTTW News)

State officials on Wednesday reported the highest single-day increase in COVID-19 cases for the month of July, prompting a stern warning from Illinois’ top doctor: Wear a mask or we’ll move backwards.

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Family members wearing masks walk along the sidewalk in the Humboldt Park neighborhood on Thursday, May 7, 2020. Under Gov. J.B. Pritzker’s stay-at-home order, all residents should wear face masks or coverings when social distancing is not possible. (WTTW News)

As Chicago reimposes restrictions to stop a recent uptick in coronavirus cases, Gov. J.B. Pritzker implored residents to wear face coverings to “protect the gains we’ve made” against the virus.

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Dr. Emily Landon appears on “Chicago Tonight” on Monday, July 13, 2020. (WTTW News)

COVID-19 numbers are rising nationally to startling new highs. Cases in the city and state are also climbing. What’s going on? We check in with Dr. Emily Landon of UChicago Medicine.