Vaccination for COVID-19

We will open more slots as more vaccines become available.

Thank you for your patience. Please continue to follow us on our social media accounts for the latest information.

Welcome to the City of San Antonio Vaccination Registration portal, accessed through the EMR Vaccine System. If you have trouble accessing this system, please call 311 or 210.207.6000 (select option 8) or email

The City of San Antonio is providing initial vaccinations to those most at risk of exposure to COVID-19. Individuals have been placed in two groups, designated as Phase 1A and 1B. For more details regarding these groups, please visit the Vaccination page.

If you qualify for the vaccine under the Phase 1A or 1B categories, you may proceed to register for an appointment.

NOTE: An appointment is required to receive the vaccine.

Online Registration

Step 1.Getting Started

  • You will need to use the following registration code (case-sensitive):
    • Registration code: DOMECOVID
  • Only certain dates are available.
    • There are a limited number of vaccine doses available.
    • If you are unable to register, please try again later in the week.
  • The vaccine will be given at the Alamodome Mass Vaccination Events.
  • There is no charge for the vaccine or administration.

Step 2.What You Need to Know

At this time, individuals in the following Phase 1A or 1B categories may register for vaccination:

  • 1A: Workers at
    • Hospitals
    • Long-Term Care facilities
    • EMS 9-1-1
    • Home Health
    • Outpatient
    • ER/Urgent Care
    • Pharmacies
    • Last Responders
    • School Nurses
  • 1A: Long-Term Care Facility Residents
  • 1B: Persons aged 65+ or 16+ with at least one chronic medical condition, including pregnancy. This includes essential workers with at least one chronic medical condition. View a list of medical conditions.
    • The Moderna vaccine can only be given to people who are 18 years and older.
    • The Pfizer vaccine can be given to people who are 16 years and older.


If you have difficulty walking or standing for extended periods of time, please indicate this on your registration form. Accommodations will be made for you.

Step 3.How It Works

  • An appointment is required to receive the vaccine.
    • Each person needs to register individually. Multiple registrations for the same person will be cancelled.
    • When you register online, an appointment will be scheduled for you. 
    • Upon successful registration, you will receive confirmation of your appointment.
  • The vaccine requires two doses to develop the best protection against COVID-19.
    • You will need to get the second dose (also known as a booster dose):
      • If you receive the Moderna vaccine, you will need to wait at least 24 days after your first dose.
      • If you receive the Pfizer vaccine, you will need to wait at least 21 days after your first dose.

Step 4.Complete Request

  1. Click the link below to register.
  2. Type your Registration Code in the box and then press Enter to continue.
  3. Select your visit date and choose a time.
  4. Complete all the form fields.
    NOTE: Red boxes are required fields. We need this information to ensure we secure the vaccination for you.
  5. Once complete, click the "Register" button.
  6. You should see an immediate confirmation noting “Registration Completed Successfully”.
    NOTE: If you don't see the confirmation your appointment was not successfully scheduled.

Register for your vaccination

EMR Vaccine System
Screenshot of the EMR Vaccine System

Step 5.What Happens Next

If you entered your email address or cell phone number check your email or text messages for your confirmation message.
NOTE: The email is sent from the EMR Vaccine System.

Please see the Location information on this page for arrival instructions.

NOTE: To speed up the check-in process, please print and fill out the vaccination consent forms before arriving at the Alamodome. If you are not able to print the forms, you can complete them at the time of your appointment.