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(AP Illustration / Peter Hamlin)

It depends, but you should be able to use N95s and KN95s a few times.

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Container ship Ever Far, left, sails down river past the Georgia Ports Authority's Port of Savannah, Wednesday, Sept. 29, 2021, in Savannah, Ga. (AP Photo/Stephen B. Morton)

The nation’s gross domestic product — its total output of goods and services — expanded 5.7% in 2021. It was the strongest calendar-year growth since a 7.2% surge in 1984 after a previous recession.

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(WTTW News)

CPS has been criticized in recent days for not telling students and families that it changed the way positive cases among students and staff are reported on its online dashboard.

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Pharmacist Sima Manifar prepares a children’s dose of the Pfizer COVID-19 vaccine during a vaccination clinic on Dec. 29, 2021, in Lawrence, Mass. (AP Photo / Charles Krupa)

Pfizer is enrolling healthy adults to test a reformulated COVID-19 vaccine that matches the hugely contagious omicron variant, to see how it compares with the original shots.

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(WTTW News)

As dentists across Illinois experience staffing shortages and an increased demand for dental appointments, they are asking state officials to consider teledentistry and other services to help fill the demand. 

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(WTTW News)

In the first half of January, an estimated 8.8 million U.S. workers were reported to have stayed home either because they were sick with COVID-19 or were caring for someone who was sick. The news comes as some workers are running out of employer-provided sick days, or don’t have enough earned sick days to begin with. 

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Students at Chicago Public Schools walk along a hallway in this file photo. (WTTW News)

Under a new statewide compromise, public school and higher ed employees across Illinois won’t have to expend their sick time if they are forced to miss work due to COVID-19 — as long as they’re fully vaccinated.

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(Patty Wetli / WTTW News)

The first free N95 masks have started to arrive at U.S. pharmacies, with more on the way in the coming days, as the Biden administration seeks to ramp up access to high-quality masks amid the spread of the highly-transmissible omicron variant.

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(inspiri / Pixabay)

The US Food and Drug Administration could decide in the coming days to take steps to curb the use of antibody treatments produced by Eli Lilly and Regeneron, the source said, pointing to the growing body of evidence that shows their monoclonal therapies don't effectively neutralize the virus’ omicron variant.

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Nurse manager Edgar Ramirez checks on IV fluids while talking to a COVID-19 patient at Providence Holy Cross Medical Center in Los Angeles, Dec. 13, 2021. (AP Photo / Jae C. Hong, File)

The wave of infections brought on by the omicron variant and a shortage of treatments have focused attention on the policies. Medical experts say the opposition is misleading. Health officials have long said there is a strong case for considering race as one of many risk factors in treatment decisions. And there is no evidence that race alone is being used to decide who gets medicine.

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(WTTW News)

We’re about to enter the third year of the COVID-19 pandemic. And with news that the omicron wave has passed its peak in Chicago, a light begins to appear at the end of the tunnel. But public health advocates are warning the city’s residents not to let their guards down just yet.

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Pop-up testing clinics run by the Center for Covid Control will be closed indefinitely, Illinois Attorney General Kwame Raoul announced. (WTTW News)

Attorneys from the attorney general’s consumer fraud division are probing allegations that those who sought a COVID-19 test at pop-up sites run by the Center for Covid Control did not get their results as promised.

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Dr. Rochelle Walensky, Director of the Centers for Disease Control and Prevention (CDC) speaks during an interview with The Associated Press on Dec. 8, 2021, in Atlanta. (AP Photo / Brynn Anderson, File)

One year into Dr. Rochelle Walensky’s tenure as director, her bid to make the Centers for Disease Control and Prevention more agile is being challenged by political pressures, vocal scientists and the changing virus itself.

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The Doomsday Clock is set at 100 seconds to midnight for the third year in a row. (Courtesy of Bulletin of the Atomic Scientists)

“Steady is not good news,” said members of the Bulletin of the Atomic Scientists. “We are stuck in a perilous moment.”

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Mayor Lori Lightfoot addresses the news media Tuesday Jan. 18, 2021. (Chicago's Mayor's Office)

Mayor Lori Lightfoot said Tuesday that she has fully recovered from her bout with COVID-19, and said it felt like “a bad cold.”

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Research shows kids experienced both mental and physical health problems during the pandemic. (Iakov Filimonov/Adobe Stock)

New research published Tuesday in JAMA Pediatrics that looked at children and adolescents from 11 countries found kids experienced both mental and physical health problems — anxiety, depression, lower physical activity, food insecurity and school disengagement — linked to school closures and social lockdowns.