(Patty Wetli / WTTW News)

During the past seven days, an average of 31 people have been hospitalized each day in Chicago from COVID-19, down more than 40% during the past week, according to city data last updated Wednesday.

(Patty Wetli / WTTW News)

Mayor Lori Lightfoot on Thursday said the city is expected to move from a “medium” risk level for contracting COVID-19 back to a “high” risk level, likely sometime in the next week. When that happens, the city will reinstate an advisory, urging Chicagoans to mask up.

(Patty Wetli / WTTW News)

Chicago hospitals and health care providers are also coping with sharp increases in flu cases and illness caused by RSV, a respiratory virus, officials said.

(Patty Wetli / WTTW News)

The move is likely to reduce fears, at least temporarily, of an imminent surge of COVID-19 once colder weather settled over Chicago for the duration, forcing people indoors.

(Patty Wetli / WTTW News)

Chicago and Cook County last faced a medium risk of COVID-19 in mid-September.

This electron microscope image shows mature, oval-shaped monkeypox 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)

The two people — about whom no other information was shared — both had underlying health conditions, including weakened immune systems, and were diagnosed with the virus more than six weeks ago, officials said.

Dr. Allison Arwady appears on "Chicago Tonight" on Oct. 18, 2022. (WTTW News)

Chicago Department of Public Health Commissioner Dr. Allison Arwady said COVID hospitalizations remain a point of some concern in the city.

(Patty Wetli / WTTW News)

Chicago and Cook County last faced a low risk of COVID-19 on May 5. The region has bounced between a medium risk and a high risk all summer.

(WTTW News)

Chicago Department of Public Health Commissioner Dr. Allison Arwady urged all Chicagoans older than 12 who were vaccinated against COVID-19 with the original vaccine at least two months ago to get the updated vaccine, which targets the BA.4 and BA.5 subvariants of the omicron variant of COVID-19. 

(WTTW News)

Dr. Allison Arwady, commissioner of the Chicago Department of Public Health, called the vaccines the “best possible match” against strains of the virus now in circulation. They’ve been formulated to provide immunity against the omicron variants BA.4 and BA.5, which account for nearly all of the cases of COVID-19 in the U.S.

Dr. Allison Arwady, the commissioner of the Department of Public Health, addresses the news media on Wednesday Jan. 19, 2021. (Chicago's Mayor's Office)
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Chicago Department of Public Health Commissioner Dr. Allison Arwady, who has been the public face of Chicago’s response throughout the continuing COVID-19 pandemic as well as the outbreak of monkeypox, said she would work from home while isolating.

(Patty Wetli / WTTW News)

Chicago Department of Public Health officials continue to recommend that residents wear masks indoors and on public transportation to reduce their risk of contracting COVID-19 and ensure they are up to date with their COVID-19 vaccines.

Mayor Lori Lightfoot signs an executive order Thursday, July 28, designed to protect abortion access in Chicago. (Provided: Chicago's Mayor's Office)

The move backs a push from progressive members of the City Council to enshrine those protections into law. Mayor Lori Lightfoot’s announcement came one day after several progressive members of the City Council urged their colleagues to protect those crossing state lines to get reproductive and gender-affirming health care in Chicago.

This electron microscope image shows mature, oval-shaped monkeypox 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)

In Chicago, 326 people have tested positive for monkeypox, according to city officials who are urging residents to educate themselves about the virus and to get tested if they have symptoms. 

This electron microscope image shows mature, oval-shaped monkeypox 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)

“While we are pleased to be receiving these additional doses, we simply need more vaccine in Chicago,” said Dr. Alison Arwady, the commissioner of the Chicago Department of Public Health.

(Patty Wetli / WTTW News)

Chicago Department of Public Health officials recommend that residents wear masks indoors and on public transportation to reduce their risk of contracting COVID-19 and ensure they are up to date with their COVID-19 vaccines.