Third dose eligibility and how to get it

Those eligible for a third dose are listed below. The first step is to contact your doctor for a referral and you must bring the signed referral form with you to the clinic. We are unable to administer third doses without it. Please call ext. 7006 if you have questions.

WDGPH are offering third doses of a COVID-19 vaccine on a referral basis to these specific select populations only:

Eligible Populations (Updated September 15, 2021)

Third Dose Interval

How got get your third dose

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)


Solid-organ transplant recipient and taking immunosuppressive therapy


Recipient of chimeric antigen receptor (CAR)-T-cell therapy or hematopoietic stem cell transplant (within 2 years of transplantation or taking immunosuppression therapy)


Moderate to severe primary immunodeficiency (e.g., DiGeorge syndrome, Wiskott-Aldrich syndrome)


Stage 3 or advanced untreated HIV infection and/or acquired immunodeficiency syndrome


Receiving active treatment with the following categories of immunosuppressive therapies: anti-B cell therapies (monoclonal antibodies targeting CD19, CD20 and CD22), high-dose systemic corticosteroids (refer to the CIG for suggested definition of high dose steroids), alkylating agents, antimetabolites, or tumor-necrosis factor (TNF) inhibitors and other biologic agents that are significantly immunosuppressive (Active treatment for patients receiving B-cell depleting therapy includes patients who have completed treatment within 12 months)

Minimum of eight weeks following your second dose

Please contact your healthcare provider for more information.

Residents of high-risk congregate settings including long-term care homes, higher-risk licensed retirement homes and First Nations elder care lodges

Minimum of five months following your second dose


Third doses will be offered to these individuals in their residence (either within the home or through a mobile clinic). You will be contacted directly.

Third doses are being offered to the above groups only at this time and will not be extended for any other reasons. Please do not call to request a third dose.