Information About COVID-19 (Novel Coronavirus)

COVID-19 Vaccines at Seattle Children’s

Seattle Children’s is providing COVID-19 vaccination services to the general public, including our patients. We are only administering the Pfizer BioNTech COVID-19 vaccine and are not currently offering any other vaccines. 

The Pfizer BioNTech COVID-19 vaccine is:

  • Approved for people 5 to 15 years old for first and second doses under an Emergency Use Authorization
  • Approved for people 16 years and older for first and second doses with full FDA approval
  • Approved for people 5 years and older who meet the defined immunocompromised categories for third doses under an Emergency Use Authorization
  • Approved for people 12 years and older for booster doses under an Emergency Use Authorization

Third Dose

Seattle Children’s provides a third dose of the Pfizer COVID-19 vaccine to qualifying people ages 5 and above who have immune systems that are moderately or severely compromised, and who had a second Pfizer vaccine dose at least 28 days ago.

To qualify for the third dose of the vaccine, you must meet 1 of the following criteria:

  • You are undergoing active cancer treatment for tumors or cancers of the blood.
  • You received an organ transplant and are taking medicine to suppress the immune system.
  • You received a stem cell transplant within the last 2 years or are taking medicine to suppress the immune system.
  • You have a moderate or severe primary immunodeficiency disorder (includes conditions like DiGeorge syndrome or Wiskott–Aldrich syndrome).
  • You have advanced or untreated HIV infection.
  • You are taking high-dose corticosteroids or other medicines that may suppress your immune response.

Booster Dose for People Who Had a Pfizer Vaccine

Seattle Children's provides a booster dose of the Pfizer COVID-19 vaccine to people who are 12 years and older who have:

  • Received two doses of the Pfizer vaccine at least 5 months ago

Booster Dose for People Who Had the Moderna or Janssen (Johnson & Johnson) Vaccine

Seattle Children’s provides a booster dose of the Pfizer COVID-19 vaccine to people who are 18 years and older who have:

  • Received 2 doses of the Moderna COVID-19 vaccine at least 5 months ago; or
  • Received a single dose of the Janssen (Johnson & Johnson) vaccine at least 2 months ago.

Scheduling Your Vaccine Appointment

  • We have appointments available from 7:30 a.m. to 4:30 p.m. Monday through Saturday. We do not offer walk-in vaccinations. Please do not come to the hospital or any of our locations for a vaccine if you do not have an appointment.
  • At the time of your vaccine, we will ask some screening questions to confirm this is the right time for you or your child to receive the vaccine.
    • Talk to your primary healthcare provider about any questions or concerns related to the vaccine and your medical needs. Vaccine clinic staff will not be able to advise you if any underlying health conditions could stop you from receiving the vaccine or should be considered before you receive it.
  • You may use Seattle Children’s scheduling portal to schedule an appointment.
    • The portal requires you to use Chrome, Firefox or Microsoft Edge internet browsers.
    • We will send you a confirmation email when your vaccine appointment for your dose is successfully booked.
      • After that, we will send you instructions on how to open a MyChart account through Seattle Children’s. You can also sign up here.
    • Your second dose appointment will be automatically scheduled for you after you receive your first dose.
    • If you need to cancel an appointment, do so here.
  • If you are unable to find an appointment, please send an email to COVIDCommunitySupport@seattlechildrens.orgwith your full name, phone number and email. We will add you to a list of people who will be contacted when we add more appointments. Our number of appointments depends on availability of vaccines and clinic capacity.
  • You can also check the Washington State Vaccine Locatorfor other locations where vaccines are offered.

Before Your Appointment

  • Please plan to arrive no earlier than 5 minutes before your scheduled time so we can maintain the safe physical distancing of people waiting for their vaccine.
  • People who are younger than 18 must have a legal guardian present with them to sign the patient acknowledgement form/consent for care in the clinic at time of vaccination. This is required at each vaccine appointment.
  • We allow 2 parents or caregivers to accompany the patient to their vaccine appointment. Siblings of any age may not come along to the appointment.

Additional Support During Your Appointment

  • If you need additional support during your vaccine appointment, add a note to your appointment or send an email to with your request and specific needs. We will contact you to discuss how we can support you or your child to ensure a safe and positive vaccination experience. Only with prior notice, we can offer:
    • A pre-vaccination clinic visit where you can visit our clinic and discuss your needs with a member of our team
    • A private room where we can administer the vaccine
    • Extra time to support patients with sensory or emotional needs as appropriate and within state and federal regulations
  • We encourage you to bring things like drawing materials, a notebook, games or other things to distract you or your child.

Other Resources

To learn more about the COVID-19 vaccine, visit these trusted sources of accurate information:

Location of the Seattle Children’s COVID-19 Vaccine Clinic

The vaccine clinic is located at our hospital campus at 4800 Sand Point Way NE on the 8th floor of the Ocean building. Entrance to the hospital is only permitted to those who have an appointment. Once your appointment has been confirmed, we will send you instructions on where to park and how to enter the building.