There have been 65,164 residents in their twenties in the county who had been tested, meaning that 10 percent of those tested have the coronavirus. Through July 21, there have been 42,122 confirmed COVID-19 cases and 2,056 deaths from the coronavirus in Cook County.
Illinois gathers all of its COVID-19 data from across the state electronically. The reported cases and deaths will fluctuate as additional info is gathered. Chicago was home to one of the first known cases of COVID-19 in the US, as well as it's transmission.
Test results for the past 10 days in Cook County
| Date | Total Tested | Total Positive | Positive % |
|---|---|---|---|
| July 21 | 473,209 | 42,122 | 8.9 |
| July 20 | 467,104 | 41,902 | 9.0 |
| July 19 | 461,082 | 41,707 | 9.0 |
| July 18 | 454,906 | 41,512 | 9.1 |
| July 17 | 447,719 | 41,254 | 9.2 |
| July 16 | 441,126 | 41,024 | 9.3 |
| July 15 | 433,102 | 40,805 | 9.4 |
| July 14 | 426,291 | 40,603 | 9.5 |
| July 13 | 421,863 | 40,485 | 9.6 |
| July 12 | 415,930 | 40,331 | 9.7 |
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