Updates to the Alberta Immunization Policy

November 10, 2021

New dosing guidance is in effect for third doses of Moderna COVID-19 vaccine and additional groups are now eligible for a third dose of COVID-19 vaccine.

Please note the following message from Alberta Health:

When administering a dose of Moderna COVID-19 vaccine (SpikeVax) as a third dose to an eligible individual, the following dosage guidance is to be used:

  • individuals 65 years of age or older or in long-term care setting or another high-risk group shall receive
    • full dose of 0.5mls (100mcg), and
  • individuals under 65 years of age and at low risk shall receive
    • half-dose of 0.25mls (50mcg).

Effective Monday November 8, 2021, additional groups became eligible for a third dose of a COVID-19 vaccine at least six months after the date of administration of their second dose.

Updates to the biologic pages specific to each COVID-19 vaccine including eligibility, dosage, and clinical updates have been made and can be found in the Alberta immunization policy.


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