There have been 1,103,366 residents in their 40s in the county who had been tested, meaning that 7.2 percent of those tested have the coronavirus. Through Jan. 31, there have been 537,173 confirmed COVID-19 cases and 6,431 deaths from the coronavirus in Cook County.
Illinois was home to some of the first reported COVID-19 cases in the US. It has suffered numerous waves of the pandemic, which peaked in the fall of 2020. As the Midwestern hub of the US, Illinois businesses suffered greatly, including layoffs at two major airlines based in the state.
Test results for the past 10 days in Cook County
| Date | Total Tested | Total Positive | Positive % |
|---|---|---|---|
| January 31 | 9,277,332 | 537,173 | 5.8 |
| January 28 | 9,197,917 | 534,272 | 5.8 |
| January 27 | 9,155,294 | 532,441 | 5.8 |
| January 26 | 9,114,384 | 530,570 | 5.8 |
| January 25 | 9,093,528 | 528,642 | 5.8 |
| January 24 | 9,076,201 | 527,325 | 5.8 |
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