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Booster dose eligibility checker

Booster doses are only available to those aged 5 or older. Enter information below to find out when you should get a booster dose.


Have you completed your COVID-19 primary series? (required)

A primary series is:

  • Two doses of a Health Canada approved vaccine (or one dose if you received Janssen), or
  • Three doses of a Health Canada approved vaccine if you are immunocompromised

You must select whether you have completed your primary series of vaccines.

Has it been at least 6 months since your last COVID-19 vaccine dose or since you had COVID-19 (onset of symptoms or a positive test, whichever came first)? (required)

You must select whether you have had a vaccine dose or had COVID-19 within the last 6 months.

Do any of the following apply to you? (required)
  • Aged 65 or older
  • Live in a congregate care setting such as a long-term care home, Elder Care Lodge, retirement home, shelter or group home aged 12 or older
  • Immunocompromised aged 12 or older
  • Aged 12 or older and have an underlying medical condition that places you at high-risk of severe COVID-19, for example:
    • heart, kidney, or lung conditions
    • diabetes and other metabolic conditions
    • cancer
    • anemia or hemoglobinopathy
    • neurologic or neurodevelopmental conditions
    • a Body Mass Index (BMI) of 40 and over
  • Health care worker
  • Pregnant individual
  • Adult identifying as First Nations, Inuit, or Métis individual and non‐Indigenous household members
  • Adult in a racialized community and/or marginalized community disproportionately affected by COVID-19

You must select whether any of the additional factors listed apply to you.

You should book your booster dose appointment 3 months from your last dose or when you last had COVID-19.

Learn more about Ontario’s COVID-19 vaccination program.

You should book your booster dose appointment 6 months from your last dose or when you last had COVID-19.

Learn more about Ontario’s COVID-19 vaccination program.

Updated: November 15, 2022
Published: October 20, 2022