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39 active coronavirus outbreaks associated with Colorado schools, CU Boulder now has 1,503 student cases

CDPHE has released its weekly list of COVID-19 outbreaks in Colorado. CU Boulder has added 305 cases among students, and other schools are also reporting cases.

DENVER — There are 39 active COVID-19 outbreaks associated with schools in Colorado and 1,503 confirmed student cases of the virus at the University of Colorado Boulder alone, according to a weekly report distributed by the Colorado Department of Public Health and Environment (CDPHE).

The outbreak at CU Boulder is by far the largest that’s been reported in the state since CDPHE began to release the outbreak data in April. So far, there are no student or staff deaths tied to novel coronavirus outbreaks at schools.

> The video above is from a previous 9NEWS report about the COVID-19 outbreak at CU Boulder. 

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Six outbreaks associated with Colorado schools – including one involving the Colorado State University athletics program – are considered closed.

For an outbreak to be resolved, CDPHE said 28 days must pass with no new illnesses. Two cases constitute an outbreak, and the numbers are cumulative, meaning if an entity has a certain number of cases, that doesn’t mean all those people were sick at once.

Keep reading for a look at COVID-19 outbreaks by category. The map below shows the location of outbreaks across the state. 

There are 12,235 confirmed cases connected to 770 Colorado outbreaks. So, this data covers at least 17% of all known cases in the state. 22% if I included the additional 3,461 probable cases in the data.

There are 937 confirmed deaths tied to all outbreaks in Colorado. Outbreaks account for at least 48% of deaths among COVID-19 cases in Colorado. It would be 56% if I included the 162 other probable deaths.

The data has shifted from most of the outbreaks being in nursing homes and health care facilities to colleges and schools. There are 22 active college outbreaks, 17 outbreaks in K-12 schools and 11 active in child care centers. There are 11 active outbreaks in Colorado skilled nursing facilities.

There have been 106 outbreaks in skilled nursing facilities and 67 assisted living outbreaks. Five assisted living facilities have active outbreaks. Outbreaks happened in 27 total college settings.

Click or tap here to see CDPHE's full list of outbreaks.


Since last week, an additional 305 students at CU Boulder have tested positive for COVID-19, bringing the university's total to 1,503 confirmed student cases since an outbreak was first declared on Sept. 23. 

There are an additional 161 probable cases of the novel coronavirus among CU students, and 12 confirmed cases of the virus among CU staff, the data says. 

This is by far the largest outbreak in the state. For context, the second largest -- at the Sterling Correctional Facility -- has involved 566 confirmed cases of the virus among inmates. 

Boulder has since gone to remote learning and limited gatherings among those who are 18-22 years old.

RELATED: Boulder Health amends public health order to address safety concerns

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The second largest educational outbreak in Colorado is at Regis University, where CDPHE data says 61 students and two staff members have tested positive for COVID-19 since the outbreak began on Sept. 9. That’s up from 32 confirmed student cases last week. There weren’t any staff cases in last week’s data.

The other school-related outbreaks are comparatively small, with 15 students testing positive for the novel coronavirus in the third largest educational outbreak at the University of Denver.

There are 50 active outbreaks among child care centers, schools and colleges. New active outbreaks include Yuma High School, where one staff member and seven students have a confirmed case, and Greek life outbreaks at the University of Denver and Colorado State University.

There are a total of 1,908 confirmed cases tied to 70 outbreaks in this category.

Check out the spreadsheet below for a look at the active COVID-19 outbreaks at Colorado schools: 

Child care

There are 11 active coronavirus outbreaks associated with childcare facilities in Colorado, according to the CDPHE. 

The spreadsheet below shows where those have occurred: 


There are 14 active outbreaks of COVID-19 at Colorado restaurants, according to the data. No deaths have been linked to these outbreaks, or cases involving attendees. 

In total, 41 restaurant employees have tested positive for COVID-19 among the active outbreaks. Among the 40 restaurant outbreaks considered resolved, 160 employees have had confirmed cases of COVID-19, and seven attendees have had confirmed cases. 

There are no deaths tied definitively linked to restaurants in the CDPHE data. 

Look at the spreadsheet below for COVID-19 outbreaks at Colorado restaurants. 

Social gatherings

There are five active coronavirus outbreaks associated with social gatherings, according to CDPHE. 

One, which was associated with Metropolitan State University, resulted in four positive cases of COVID-19. 

The others were in: 

- Snowmass, where six attendees tested positive for COVID-19 and 10 have probable cases. 

- Breckenridge, where two people tested positive for COVID-19. 

- Ouray, where five people tested positive for COVID-19 and two have probable cases. 

-At a wedding in Routt County, where four people tested positive for COVID-19. 

There are no deaths associated with any of these gatherings. 


As of this writing, there are active novel coronavirus outbreaks at seven stores in Colorado, according to data from CDPHE.

That list includes: 

- An American Furniture Warehouse in El Paso County, where five employees have tested positive for COVID-19 and four have probable cases. 

- King Soopers #114 in Commerce City, where eight employees have confirmed cases of COVID-19 and 35 have probable cases. 

- Kohl's off North Powers Boulevard in El Paso County, where three employees have tested positive for COVID-19 and one has a probable case. 

- A Target in Summit County, where three employees have tested positive for COVID-19. 

- A Home Depot in Adams County, where four employees have tested positive for COVID-19 and 28 have had probable cases. 

- A Home Depot in Arapahoe County, where four employees have tested positive for COVID-19 and 18 have had probable cases. 

- Walmart #3582 in El Paso County, where 11 employees have tested positive for COVID-19 and 19 have probable cases. 

Health care

There are 5,381 confirmed cases, and 892 confirmed deaths, within 245 health care outbreaks in Colorado. That means outbreaks in places like nursing homes and assisted living facilities account for at least 8% of statewide cases and 46% of all deaths among COVID-19 cases.

These facilities added 67 confirmed cases and 11 confirmed deaths from last week.

Click or tap here to see CDPHE's full list of outbreaks. 

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