Colorado

First, check VaccineSpotter

Updated every minute across several pharmacy chains such as CVS, Health Mart, Kroger, The Little Clinic, Walgreens, and Walmart. Updated regularly for Denver Ball Arena, Centura Health drive-up events, and PrepMod.

Denver 25-mile radius

Boulder 25-mile radius

Fort Collins 25-mile radius

Colorado Springs 25-mile radius

Statewide search radius

Second, check Both Gov and Healthcare Providers

Check both government and healthcare providers until you're able to get an appointment.

Denver County - Ball Arena

Denver County - Vaccine Providers

Denver County (Denver Health)

El Paso County

Adams, Arapahoe, Douglas Counties

Jefferson County

Larimer County - Appointments

Larimer County - Vaccine Providers

Boulder County

Statewide - List of Vaccine Clinics

Third, use Twitter

If no appointments are available, follow these Twitter accounts. They tweet out appointments as they come available.

@COVaxAlerts (Pharmacies - Statewide)

Finally, Stay in the Game

Periodically refresh the websites. Some providers update at midnight or only certain days of the week. Check in the morning or when there's bad weather (people cancel every day).