Public Health Officials Announce 1,645 New Confirmed Cases of Coronavirus Disease

State reports more than 42,000 tests in one day

The Illinois Department of Public Health (IDPH) today announced 1,645 new confirmed cases of coronavirus disease (COVID-19) in Illinois, including 16 additional confirmed deaths.

– Cook County: 1 male 60s, 1 male 70s
– DeKalb County: 1 female 70s
– Douglas Count; 1 male 50s
– Iroquois County: 1 female 80s
– Jefferson County: 1 female 80s
– Lake County: 1 male 70s, 1 male 80s
– LaSalle County: 1 male 80s
– Madison County: 1 female 70s, 1 female 80s
– Perry County: 1 female 90s
– Rock Island County: 1 male 80s, 1 male 90s
– St. Clair County: 1 female 90s
– Williamson County: 1 male 80s

Currently, IDPH is reporting a total of 198,593 cases, including 7,672 deaths, in 102 counties in Illinois. The age of cases ranges from younger than one to older than 100 years. Within the past 24 hours, laboratories have reported 42,098 specimens for a total of 3,189,801. The preliminary seven-day statewide positivity for cases as a percent of total test from August 5 – August 11 is 4.1%. As of last night, 1,525 people in Illinois were reported to be in the hospital with COVID-19. Of those, 357 patients were in the ICU and 129 patients with COVID-19 were on ventilators.

Following guidance from the Centers for Disease Control and Prevention, IDPH is now reporting both confirmed and probable cases and deaths on its website. Reporting probable cases will help show the potential burden of COVID-19 illness and efficacy of population-based non-pharmaceutical interventions. IDPH will update these data once a week.

*All data are provisional and will change. In order to rapidly report COVID-19 information to the public, data are being reported in real-time. Information is constantly being entered into an electronic system and the number of cases and deaths can change as additional information is gathered. For health questions about COVID-19, call the hotline at 1-800-889-3931 or email