COVID-19 pandemic in Illinois

The ongoing COVID-19 pandemic began in the U.S. state of Illinois on January 24, 2020, when a woman in Chicago, who had just returned from the pandemic's place of origin in Wuhan, Hubei, China.^[4] This was the second case of COVID-19 in the United States during the pandemic. The woman's husband was diagnosed with the disease a few days later, the first known case of human-to-human transmission in the United States.

COVID-19 pandemic in Illinois
Confirmed cases per capita:   1,000+   500–1,000   200–500   100–200   50–100   20–50   10–20   0–10   No confirmed new cases or no/bad data
Deaths per capita:   10,000+   3,000–10,000   1,000–3,000   300–1,000   100–300   30–100   0–30   No confirmed infected or no data
Disease	COVID-19
Virus strain	SARS-CoV-2
Location	Illinois, United States
First outbreak	Wuhan, Hubei, China
Index case	Chicago
Arrival date	January 24, 2020 (4 years, 4 months and 1 day)
Confirmed cases	894,367 [1][2]
Hospitalized cases	4,624 [lower-roman 1][3]
Critical cases	1,000
Ventilator cases	562
Recovered	98% (recovery rate)
Deaths	15,123
Government website
Illinois Department of Public Health: Coronavirus Disease 2019

In mid-March, as the number of known cases rose into the double digits, Governor J. B. Pritzker issued a state of emergency. The state closed all schools and colleges, ordering a stop to eviction enforcements, ordering all bars and restaurants closed to sit-in diners, and otherwise restricting large gatherings of people.^[5] At first declared between the dates of March 21 and April 7, the order was later extended until April 30, then May 29.^[6]

During December 2020, Illinois experienced the second highest number of deaths per week.^[7][8] As of January 2021, Illinois has the fifth highest number of confirmed cases in the United States.^[7]