Third Doses of the COVID Vaccine

Everyone born in 2016 or earlier is currently eligible to receive a COVID-19 vaccine. Two doses of the COVID-19 vaccine are needed to be considered fully vaccinated. A third or booster dose may be required for some individuals. The interval between the doses is dependent on the vaccine you receive as well as when you received your last dose. On December 15, 2021, the Government of Ontario expanded eligibility for a third/booster dose of the COVID-19 vaccine. As of December 20th, the following groups are now eligible for a third/booster dose of the COVID-19 vaccine:

  • People who are immunocompromised
  • Individuals aged 18 and over (84 days after their second dose)
  • First Nations, Inuit and Métis Adults
  • Health Care Workers (see eligibility list)
  • Designated Essential Caregivers in congregate settings
  • Anyone who received a complete vaccination series of a viral vector vaccine (e.g., two doses of AstraZeneca vaccine or one dose of Janssen)

For those who are eligible, appointment bookings are available through City-run clinics, Indigenous-led vaccination clinics, hospital and community clinics, select pharmacies and primary care settings.

Third dose options

Mass immunization clinics, select pharmacies and primary care settings:

  • Eligible individuals can book their booster dose appointment through the COVID-19 vaccination portal or by calling the Provincial Vaccine Contact Centre at 1-833-943-3900, between 8 a.m. and 8 p.m. 
  • Check select pharmacies and primary care settings for availability.

The Sherbourne Health – Wellesley Community Centre and Regent Park-40 Oaks (Fred Victor) clinics also provide vaccine appointments within Ward 13. Booking is available here.

For those eligible, either mRNA COVID-19 vaccine (Pfizer or Moderna) may be used as a third dose or booster dose, regardless of which vaccine was used for the first two doses.

A third dose is encouraged, but not mandated. It is not required for your provincial vaccine passport (only two doses are required). The priority for Ontario remains offering first and second doses to those who still need them.

If you do not have an OHIP card, or if you received a vaccine outside of Ontario/Canada, please see here.

Learn more about third doses in the City of Toronto here.

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Address: 100 Queen St W, A5, Toronto, ON M5H 2N2