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COVID-19 Outbreak Locations

These data represent outbreaks of cases of COVID-19 in all setting types, except Long-Term Care/Skilled Care Facilities, Assisted Living Facilities, and Developmentally Disabled Facilities. Long Term Care Facility Outbreaks can be found Here.

Local health departments investigate outbreaks by identifying clusters from individual case investigations. This information is based on reported locations visited during their 14-day exposure period.

An outbreak is defined as five or more cases that are linked to a common location during a 14-day period. These linked cases also must be from different households and not already connected from other sources. Additionally, outbreaks do not include secondary cases from those originally linked to the outbreak (e.g., person who becomes infected from their workplace and then passes the infection onto a household member). 

Table 1 represents newer outbreaks where the first identified case in the outbreak had an onset date within the past 30 days. Table 2 represents all outbreaks since the Phase 4 reopening where cases have an onset date on or after July 1, 2020. 

For additional Data for Chicago (Region 11) click here.

Many factors may result in underreporting of outbreaks. Cases may go undetected because those infected are not tested and some are asymptomatic. Additionally, cases may not respond to phone calls from contact tracers or may not disclose all the locations visited.. 

Data Last updated:

Outbreak Locations Breakdown

Location Type Region 1 Region 2 Region 3 Region 4 Region 5 Region 6 Region 7 Region 8 Region 9 Region 10 Region 11 Total
Location Type Region 1 Region 2 Region 3 Region 4 Region 5 Region 6 Region 7 Region 8 Region 9 Region 10 Region 11 Total

*Denotes recent additions to the location type categories. Relevant locations previously categorized under "Other" have been reclassified to these new location groups. These locations were added on 11/6/20.

Independent/Senior/Supportive Living refers to apartment complexes or housing groups that in which seniors live independently.

Daycare refers to childcare facilities, not adult daycare

Personal Services include hair and nail salons, tanning salons, massage services and similar

Schools includes both public and private schools.

Business or Retail includes auto dealerships, banks, clothing, convenience stores, gas stations, hardware & other retail locations without their own category (e.g. grocery stores)

Examples of locations included in Other include travel, vacations, entries pending category assignment and those which are not adequately captured by the above-mentioned categories

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