Three more COVID-19 outbreaks were reported over the past week in McHenry County schools, increasing the total to 15 from the 12 reported last week, according to the Illinois Department of Public Health.

DeKalb County reported its third COVID-19 death in a week on Friday, the most recorded deaths in one week since early March, seven months ago. As of Friday, nearly half of the county's entire population is fully vaccinated.

A daily update of new COVID-19 cases and deaths in Kane County

For the second consecutive week, Illinois saw a decline in new COVID-19 cases in children

The Centers for Disease Control and Prevention has endorsed COVID-19 booster shots for millions of older or otherwise vulnerable Americans

Mirroring state and nationwide trends due to the spread of the Delta variant of the virus, the number of new confirmed-cases of COVID-19 among county residents began to rise sharply beginning in July. On July 15, the health department reported just 32 new cases of COVID-19 among county residents for the week of July 7-15.

Intensive care unit availability in McHenry and Lake counties dipped again on Wednesday, marking the 11th straight day ICU capacity has been under 20% in the two-county region.

The U.S. vaccination drive against COVID-19 is poised for a major new phase: Government advisers on Thursday recommended booster doses of Pfizer’s vaccine for millions of Americans