Coronavirus in Chicago schools and throughout the state is reported by local health departments to the Illinois Department of Public Health.

       What is considered an outbreak?

       An outbreak occurs when two or more COVID-19 cases — the threshold was lowered recently from five cases — may have a shared exposure on school grounds and are from different households. It does not include secondary cases that may occur in a household member who has not been on school grounds.

       When is an outbreak shared by IDPH with the public?

       Outbreak information is reported once the outbreak investigation is considered complete.

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       What does the data include?

       This data includes the number of new cases reported each week by county among age groups 5 to 11 years, 12 to 17 years and 18 to 22 years. Not all cases among those 5 to 17, however, are associated with schools.

       Are extracurricular school activities also included in the data?

       Case counts for school-related outbreaks also include those associated with before- and after-school programs, including school-sponsored sports. These outbreaks do not include secondary cases that may occur in a household member who has not been on school grounds.

       At what age can children be vaccinated for COVID-19?

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       Anyone age 12 and older is eligible to receive the vaccine.

       All data is provisional and subject to updating as more information becomes available. Data includes entries elicited from cases opened within the previous 30 days from date of update. Data is updated once a week on Fridays. Last updated: Aug. 27, 2021.

       Illinois

       Schools currently affected by COVID-19 outbreaks: 26

       Cook County

       Schools currently affected by COVID-19 outbreaks: 4

       Glenbrook Elementary School: Eleven to 16 cases among students in a classroom. Maine East High School: Fewer than five cases among students in a classroom. Oak Park River Forest High School: Fewer than five cases among students in a classroom. Reavis High School: Fewer than five cases related to sports.

       DuPage County

       Schools currently affected by COVID-19 outbreaks: 0

       Kane County

       Schools currently affected by COVID-19 outbreaks: 2

       East Aurora School District 131: Fewer than five cases among staff in a classroom. Kaneland John Shields Elementary: Fewer than five cases among students and staff in a classroom.

       Lake County

       Schools currently affected by COVID-19 outbreaks: 0

       McHenry County

       Schools currently affected by COVID-19 outbreaks: 0

       Will County

       Schools currently affected by COVID-19 outbreaks: 2

       Nelson Ridge School: Fewer than five cases among students in a classroom. Reed-Custer Elementary School: Five to 10 cases among students and staff in a classroom.

       Source: Illinois Department of Public Health

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