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(WTTW News)

It took less than a year for pharmaceutical companies to successfully develop vaccines for COVID-19. The unprecedented time frame has raised questions for some about the vaccine’s safety. We learn about the science behind the shots.

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Dr. Emily Landon appears on “Chicago Tonight” via Zoom on Tuesday, Jan. 12, 2021. (WTTW News)

The Trump administration on Tuesday instructed states to begin vaccinating Americans over age 65 for COVID-19, as well as those with chronic medical conditions. We discuss Chicago’s rollout with an infectious disease specialist.

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Plus: Dr. Emily Landon discusses the approval with ‘Chicago Tonight’

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Documents created by Pfizer for the meeting with the Food and Drug Administration advisory panel, as Pfizer seeks approval for emergency use of their COVID-19 vaccine, are seen on Thursday, Dec. 10, 2020. (AP Photo / Jon Elswick)

Shots could begin within days, depending on how quickly the Food and Drug Administration signs off, as expected, on the expert committee’s recommendation.

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(WTTW News)

Medical professionals in Chicago and across the country are braced for a fresh surge of coronavirus cases after millions of Americans ignored advice not to travel or gather over the Thanksgiving holiday. Dr. Emily Landon, an infectious disease specialist at UChicago Medicine, weighs in.

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(Image by vivienviv0 from Pixabay)

The COVID-19 pandemic means this year’s holiday season will be like no other. Dr. Emily Landon, an infectious disease specialist at UChicago Medicine, gives advice on how to safely navigate the holidays.

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Gov. J.B. Pritzker provides an update Thursday, Oct. 29, 2020 about the coronavirus in Illinois. (WTTW News)

Gov. J.B. Pritzker issued a grave warning on Thursday as Illinois officials reported 6,363 new confirmed cases of COVID-19, telling residents that the pandemic has entered the most dangerous phase since the spring.

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Dr. Emily Landon holds up a bar of soap she made. The infectious disease expert has been making soaps and candles for years. (WTTW News)

Dr. Emily Landon is one of the city’s preeminent experts on the coronavirus, which has dominated her life for the past six months. To unwind, Landon makes her own soap – a hobby she started years ago.

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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.

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New statewide totals: 139,434 cases, 6,810 deaths

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A cyclist enters the 606 trail in Chicago on its reopening date Monday, June 22, 2020. On Friday, the city and state will move into phase four of reopening plans. (WTTW News)

It’s official: Illinois will move into the next phase of its reopening plan Friday. “Illinois is being touted across the country for getting it right,” said Illinois Department of Public Health Director Dr. Ngozi Ezike.

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Dr. Emily Landon of UChicago Medicine joins “Chicago Tonight” via Zoom on Monday, April 27, 2020. (WTTW News)

Dr. Emily Landon’s job is to prepare for outbreaks like COVID-19. She joins us to discuss the effectiveness of testing and the statewide stay-at-home order.

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Colorized scanning electron micrograph (SEM) with moderately-high magnification depicts a large grouping of Gram-negative Legionella pneumophila bacteria. (Centers for Disease Control and Prevention)

As lawmakers spar over a Legionnaires’ disease outbreak at a veterans home in Quincy, we take a closer look at how the illness spreads and is treated.