Infectious Diseases

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General Information About Infectious Diseases

Infectious (or communicable) diseases spread from person-to-person, from animals to people, or from surfaces or food to people. This page provides information on diseases where cases are being seen in Colorado.

Denver Department of Public Health & Environment (includes season alerts for diseases such as West Nile Virus):

• Respiratory illnesses (influenza, RSV, and COVID-19)
• Measles
• Mpox

Colorado Department of Public Health & Environment:

• Respiratory illnesses (influenza, RSV, and COVID-19)
• Measles
• Mpox

Centers for Disease Control & Prevention:

• Respiratory illnesses (influenza, RSV, and COVID-19)
• Measles
• Mpox

Vaccines/Vaccinations/Immunizations

Colorado Department of Public Health & Environment 
Find vaccination providers and clinics across Colorado, including low- or no-cost vaccines for uninsured/underinsured Coloradans. 

Colorado 2-1-1: Immunization Locations 
From the Mile High United Way.

Vaccines.gov 
Search nationwide for any type of vaccine availability and appointments.

UCHealth Immunizations and Vaccines
Myths and facts about common types of vaccines, and who should get the vaccines.

COVID-19 Testing

Denver Department of Public Health & Environment

Colorado Department of Public Health & Environment