As of Jan. 18, there have been 577,612 Illinois residents under 20-years-old who have tested positive for COVID-19, according to numbers being reported to the Illinois Department of Public Health.
There have been 9,704,303 residents under 20-years-old in the state who had been tested, meaning that six percent of those tested have the coronavirus. Through Jan. 18, there have been 2,682,983 confirmed COVID-19 cases and 29,350 deaths from the coronavirus in Illinois.
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.
| Date | Total Tested | Total Positive | Positive % |
|---|---|---|---|
| January 18 | 48,765,976 | 2,682,983 | 5.5 |
| January 14 | 47,949,094 | 2,589,640 | 5.4 |
| January 13 | 47,669,193 | 2,560,001 | 5.4 |
| January 12 | 47,411,987 | 2,522,953 | 5.3 |
| January 11 | 47,174,830 | 2,488,380 | 5.3 |
| January 10 | 46,827,777 | 2,460,270 | 5.3 |



