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.
Positive tests by race in Warren County
| Race | Number Tested | Number Positive |
|---|---|---|
| White | 14,469 | 1,435 |
| Hispanic | 1,293 | 185 |
| African American | 501 | 58 |
| Asian | 146 | 20 |
| Others | 11,669 | 2,310 |
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