(WTTW News)

Local health officials are working to notify people who may have been exposed to measles after a northwest Indiana resident sought medical care last week in Chicago while contagious with the infection.

Dr. Olusimbo “Simbo” Ige appears on “Chicago Tonight: Black Voices” on Jan. 17, 2024. (WTTW News)

The city of Chicago has a new public health commissioner filling this high-profile role after the ousting of Dr. Allison Arwady in August. Dr. Olusimbo “Simbo” Ige is the first Black woman to lead the Chicago Department of Public Health on a permanent basis.

Mayor Brandon Johnson picked Dr. Olusimbo “Simbo” Ige to lead the Chicago Department of Public Health. (Credit: City of Chicago)
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Dr. Olusimbo “Simbo” Ige will now be asked to deliver on Mayor Brandon Johnson’s vision of public health for Chicago — while coping with the continuing pandemic.

Community health worker Stefferina Woodrick leaving a flyer at a house on the 7800 block of South Pulaski Road in Ashburn on Oct. 31, 2023. (Eunice Alpasan / WTTW News)

Their mission was to pass out flyers with information about an upcoming COVID-19 and flu vaccination clinic at Richard J. Daley Community College on the Southwest Side.

A still image from a video taken of the demolition of the Crawford Coal Plant smokestack, April 11, 2020. (Alejandro Reyes / YouTube)

Dave Graham, who a watchdog report said should be fired for “willful bureaucratic negligence” in the 2020 incident that covered Little Village in dust, is now in charge of environmental inspections and enforcement.

(Nataliya Vaitkevich / Pexels)

About 66,900 Chicagoans, or 2.4% of the city population, have received the new vaccine since updated COVID-19 vaccines were recommended in mid-September, the Chicago Department of Public Health reports.

(WTTW News)

COVID-19 vaccines and flu shots will be available to everyone at no cost, regardless of insurance or immigration status.

(WTTW News)
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A combination of economic factors, health access and misinformation pushed childhood vaccination figures down to dangerous levels in recent years for many illnesses, including measles, experts said.

Dr. Allison Arwady appears on "Chicago Tonight" on Oct. 18, 2022. (WTTW News)
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During his campaign for mayor, Brandon Johnson promised to fire Chicago Department of Public Health Commissioner Dr. Allison Arwady, and Friday night, he did just that — setting off a wave of recriminations and outrage.

Dr. Allison Arwady appears on "Chicago Tonight" on March 20, 2023. (WTTW News)
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Dr. Allison Arwady was the public face of Chicago’s response throughout the COVID-19 pandemic. At the height of the pandemic, she hosted online question-and-answer sessions twice a week and frequently briefed the news media.

(WTTW News)

Local public health departments are continuing to monitor COVID-19 levels in the area as the U.S. sees a late-summer uptick in test positivity and hospitalizations.

(WTTW News)
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A decade-long push to reopen public mental health clinics closed in 2011 and expand efforts to respond to 911 calls for help not with police officers but with social workers and counselors was center stage at City Hall Monday.

Metal scrap. (Public Domain Pictures / Pixabay)
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The failure likely sent hundreds of thousands of tons of concrete, wood, brick, metal and glass into landfills that could have been reused or recycled, according to the audit by the city’s watchdog.

Migrants in Chicago are pictured in a file photo. (WTTW News)

As part of the city’s response, police stations have become makeshift shelters for new migrants before they transition into long-term housing. Recently, a volunteer team of medical students has begun making the rounds at those police stations to assist with refugees’ health needs. 

(Pixabay)

Chicago is one of 18 cities chosen for the Heat Watch Campaign, which will map the city's urban heat islands — places with fewer trees and more pavement, where temperatures can soar 20 degrees higher than surrounding areas.

This electron microscope image shows mature, oval-shaped mpox virions, left, and spherical immature virions, right, from a human skin sample associated with a 2003 prairie dog outbreak. (Cynthia S. Goldsmith, Russell Regnery / CDC)

Officials with the Chicago Department of Public Health have documented 29 cases of the virus that can cause intensely painful lesions between April 22 and Tuesday, after recording just five cases between Jan. 1 and April 15, according to city data.