Most of the Illinois counties in the "high" category are around larger cities, such as Chicago, Rockford, Peoria and Champaign. In west-central Illinois, that level includes Brown, Pike, Sangamon and Schuyler counties.
Illinois health officials reported 28,216 new coronavirus cases over the past week, along with 74 additional deaths, marking slight declines in cases from seven.
Ahead of July Fourth weekend, Illinois health officials warned of large gatherings and recommended COVID-19 vaccinations as 81 were listed at medium or high.