COVID-19 outbreaks

• Childcares; including early learning programs, home childcare centers, and school-based childcare centers.
  
• K-12 schools include both private and public schools.
  

For this category, an outbreak is defined by the following criteria:

• 3 or more cases linked to the facility with epidemiologic link in a non-household setting.

• Places of worship; including churches, temples, mosques, and other faith-based organizations.
  
• Social gatherings including private events, weddings, parties and other large social gatherings.

For this category, an outbreak is defined by the following criteria:

• 2 or more cases linked to the facility with epidemiologic link in a non-household setting
  

For this category, an outbreak is defined by the following criteria:

• 2 or more cases linked to the facility with epidemiologic link in a non-household setting

• Manufacturing including food processing, construction, agriculture, and other manufacturing sites
• Food service establishments includes restaurants, fast food, taverns, and coffee shops.
• Retail, hospitality or recreational worksites including grocery or other retail, hotels or other hospitality services, gyms, and recreational/outdoor worksites.
• Shipping, delivery and utility worksites
• All other non-healthcare worksites, including office-based worksites.

For this category, an outbreak is defined by the following criteria:

• 2 or more cases linked to the facility with epidemiologic link in a non-household setting

• Includes non-K-12 schools, such as vocational programs, college or university programs.
• Dormitories or other college/university operated residences
• University of Washington's sorority/fraternity chapter houses
  

For this category, an outbreak is defined by the following criteria:

• 2 or more cases linked to the facility with epidemiologic link in a non-household setting

• Includes adult family homes, skilled nursing and assisted living facilities

For this category, an outbreak is defined by the following criteria:

• > 1 facility-acquired COVID-19 infection in a resident
  
• > 2 COVID-19 infection in healthcare workers who were on site at any time during their exposure or infectious period

• Includes home health agencies
• Outpatient settings, including dialysis, primary care, dental and pharmacies
  
  
• For this category, an outbreak is defined by the following criteria:
  
  • > 3 cases of COVID-19 infection cases in patients or HCW, with epi-linkage, AND no other more likely sources of exposure (who do not share a household, and are not listed as a close contact of each other outside of the workplace during standard case investigation or contact tracing) for at least 2 of the cases.
    

• Including acute care hospitals and psychiatric hospitals
  
  
• For this category, an outbreak is defined by the following criteria:
  • > 2 cases of COVID-19 infection in a patient 7 or more days after admission for a non-COVID condition, with epi-linkage
  • > 3 cases of COVID-19 infection in HCW with epi-linkage AND no other more likely sources of exposure (who do not share a household, and are not listed as a close contact of each other outside of the workplace during standard case investigation or contact tracing) for at least 2 of the cases.
    OR
  • A combination of > 3 cases of COVID-19 infection in HCW and patients with epi-linkage.