There have been 16,135 residents in their seventies in the county who had been tested, meaning that 13 percent of those tested have the coronavirus. Through May 27, there have been 30,743 confirmed COVID-19 cases and 1,434 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 %
May 27
182,412
30,743
16.9
May 26
178,036
30,447
17.1
May 25
174,292
30,130
17.3
May 24
168,522
29,638
17.6
May 23
162,795
29,015
17.8
May 22
156,987
28,484
18.1
May 21
157,774
27,796
17.6
May 20
143,683
27,374
19.1
May 19
144,845
26,772
18.5
May 18
140,705
26,256
18.7
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