There have been 148 residents in their forties in the county who had been tested, meaning that four percent of those tested have the coronavirus. Through May 20, there have been 100 confirmed COVID-19 cases and 17 deaths from the coronavirus in Jefferson 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 Jefferson County
Date
Total Tested
Total Positive
Positive %
May 20
1,071
100
9.3
May 19
1,054
100
9.5
May 18
1,005
99
9.9
May 17
995
98
9.8
May 16
971
98
10.1
May 15
946
98
10.4
May 14
903
98
10.9
May 13
855
97
11.3
May 12
821
95
11.6
May 11
815
94
11.5
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