Region of Durham

Select your priority group to start your appointment booking:

First or second dose appointment

  • Children 6 months to under 5 years of age (must have reached 6 months of age).
  • If your child has recently received another vaccine, they must wait 14 days after that vaccine to receive the COVID-19 vaccine.

Interval criteria: The recommended interval between the first and second dose for this age group is 56 days after the first dose.

First, second or third dose appointment

  • Children ages 5 to 11 (must have reached 5 years of age).

Interval criteria:
  • Second dose: An 8 week (56 day) interval between first and second doses is recommended by the National Advisory Committee on Immunization (NACI) for a stronger and more robust immune response, however with informed consent, appointments or walk-ins for children 5 to 11 with a 21 day interval between first and second doses are permitted.
  • Third dose: Recommended minimum of 168 days after second dose. Note: With informed consent, children ages 5 to 11 of age may receive a booster dose at a minimum of 84 days after second dose.
  • See the community immunization clinic calendar.

  • Immunocompromised children 5 to 11 years of age (must have reached the age of 5).

Moderately to severely immunocompromised with a listed medical condition or treatment:

  • Individuals receiving dialysis (hemodialysis or peritoneal dialysis).
  • Individuals receiving active treatment* (e.g., chemotherapy, targeted therapies, immunotherapy) for solid tumour or hematologic malignancies. (*Active treatment includes patients who have completed treatment within 3 months).
  • Recipients of solid-organ transplant and taking immunosuppressive therapy.
  • Recipients of chimeric antigen receptor (CAR)-T[1]cell therapy or hematopoietic stem cell transplant (within 2 years of transplantation or taking immunosuppression therapy).
  • Individuals with moderate to severe primary immunodeficiency (e.g., DiGeorge syndrome, Wiskott Aldrich syndrome).
  • Individuals with HIV with prior AIDS defining illness or prior CD4 count ≤ 200/mm3 or prior CD4 fraction ≤ 15% or (in children 5-11 years) perinatally acquired HIV infection.
  • Moderately to severely immunocompromised individuals on an approved immunosuppressant medication** (**Active treatment for patients receiving B cell depleting therapy includes patients who have completed treatment within 12 months).
  • See a list of approved immunosuppressant medications.

First, second or third dose appointment

  • Individuals ages 12+ (must have reached 12 years of age).

Interval criteria:
  • Second dose: recommended to be 8 weeks (56 days) from your first dose.
  • Third dose:
    • Youth 12 to 17 years-old: A minimum of 168 days (84 days with informed consent) after SECOND dose.
    • Individuals 18 years of age and older: A minimum of 140 days (84 days with informed consent) after SECOND dose.
  • See the community immunization clinic calendar.

  • Immunocompromised individuals 12+ (must have reached the age of 12).

Moderately to severely immunocompromised with a listed medical condition or treatment:

  • Individuals receiving dialysis (hemodialysis or peritoneal dialysis).
  • Individuals receiving active treatment* (e.g., chemotherapy, targeted therapies, immunotherapy) for solid tumour or hematologic malignancies. (*Active treatment includes patients who have completed treatment within 3 months).
  • Recipients of solid-organ transplant and taking immunosuppressive therapy.
  • Recipients of chimeric antigen receptor (CAR)-T[1]cell therapy or hematopoietic stem cell transplant (within 2 years of transplantation or taking immunosuppression therapy).
  • Individuals with moderate to severe primary immunodeficiency (e.g., DiGeorge syndrome, Wiskott Aldrich syndrome).
  • Individuals with HIV with prior AIDS defining illness or prior CD4 count ≤ 200/mm3 or prior CD4 fraction ≤ 15%.
  • Moderately to severely immunocompromised individuals on an approved immunosuppressant medication** (**Active treatment for patients receiving B cell depleting therapy includes patients who have completed treatment within 12 months).
  • See a list of approved immunosuppressant medications.



Dose interval calculators

Use our date calculator tools to check when you are eligible for your next COVID-19 vaccine dose:

I am eligible 56 days after my last dose.

Date check: 56 days from the date you entered is (YYYY-MM-DD). Please ensure you book your next COVID-19 vaccine appointment on or after this date.

I am eligible 84 days after my last dose.

Date check: 84 days from the date you entered is (YYYY-MM-DD). Please ensure you book your next COVID-19 vaccine appointment on or after this date.

I am eligible 140 days after my last dose.

Date check: 140 days from the date you entered is (YYYY-MM-DD). Please ensure you book your next COVID-19 vaccine appointment on or after this date.

I am eligible 168 days after my last dose.

Date check: 168 days from the date you entered is (YYYY-MM-DD). Please ensure you book your next COVID-19 vaccine appointment on or after this date.

Carefully review the following question:

  1. Have you ever had a serious reaction following immunization that has not been investigated by your local health unit?

    Please contact the Durham Health Connection Line at 1-800-841-2729 or 905-668-2020 prior to booking a vaccination appointment. We need to follow-up to ensure it is safe for you to receive the vaccine at our clinics.