COVID-19: Recommendations for those vaccinated with vaccines not authorized by Health Canada for those staying in Canada to live, work or study

Individuals who have received COVID-19 vaccines not authorized by Health Canada do not qualify for the fully vaccinated traveller exemption. For requirements to enter Canada, consult COVID-19 vaccinated travellers entering Canada.

Published on February 28, 2022

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Background

The Public Health Agency of Canada's (PHAC) COVID-19 immunization recommendations for individuals previously vaccinated with COVID-19 vaccines not authorized by Health Canada are intended to support local, territorial, and provincial decision-making by public health departments and health care professionals. Provinces and territories are responsible for designing and delivering immunization programs in their regions. PHAC's immunization recommendations for previously immunized individuals does not impact the Government of Canada's definition of fully vaccinated travellers or current border requirements, such as quarantine and testing.

For requirements to enter Canada, please consult COVID-19: Travel, testing and borders

In Canada, six COVID-19 vaccines have been reviewed and authorised for use by Health Canada (Pfizer-BioNTech Comirnaty, Moderna Spikevax, AstraZeneca Vaxzevria/Covishield, Janssen/Johnson & Johnson, Novavax Nuvaxovid, and Medicago Covifenz). A number of vaccines are available in other countries that are not authorized for use in Canada. These vaccines are whole virus inactivated vaccines (e.g., CoronaVac/Sinovac, Sinopharm BIBP [BBIBP-CorV], Covaxin), viral vector vaccines (e.g., Sputnik V, Sputnik Light, CanSinoBIO) or protein subunit vaccines. Some of the vaccines authorized in other countries have been reviewed and assessed under the World Health Organization (WHO)'s Emergency Use Listing (EUL) procedure. Some are still undergoing WHO EUL review and others have not been submitted for review.

The immunogenicity, efficacy and effectiveness of authorized vaccines vary and booster doses are being recommended for many vaccines.

Those planning to stay in Canada for longer periods of time to live, work or study (e.g., newcomers to Canada, returning Canadians, international students, longer stay foreign nationals) provide an opportunity for optimized protection against COVID-19. Although any individual coming to Canada can acquire and/or transmit SARS-CoV-2 infection to others, those staying for longer periods of time are at higher risk as they may live in congregate settings (e.g., dormitories, settlement houses, work camps), work in high-risk settings (e.g., health care, other essential services), attend school, and/or live in communities with other newcomers. Therefore, additional approaches were considered for those who have received only non-Health Canada authorized vaccines and are planning to stay in Canada to live, work or study.

Considerations for those planning to stay for longer in Canada to live, work or study

In consultation with the Council of Chief Medical Officers of Health and considering advice from the National Advisory Committee on Immunization, the Public Health Agency of Canada (PHAC) considered a number of approaches for updating the vaccinations for those who received only non-Health Canada authorized COVID-19 vaccines and are planning to stay in Canada for longer periods of time. PHAC's selected approach aimed to balance the following:

Offering one additional dose of an mRNA vaccine for those who have had a complete or incomplete course/series of a non-Health Canada authorized vaccine fulfils these criteria.

With the addition of booster dose recommendations, it is also recommended that an mRNA booster dose be administered at least 6 months from the additional dose. Novavax Nuvaxovid can be used as a booster dose for those who are unwilling or unable to receive an mRNA vaccine.

This recommendation will be revisited as further evidence becomes available.

Recommendations for individuals who plan on staying in Canada for longer periods of time and who are vaccinated with non-Health Canada authorized vaccines

Individuals planning to stay in Canada for longer periods of time (i.e., to live, work or study in Canada) who have received one or two doses of a non-Health Canada authorized vaccine should be offered one additional dose of an mRNA vaccine soon after arrival in Canada. For people who are unwilling or unable to receive an mRNA vaccine, Novavax Nuvaxovid or Medicago Covifenz can be used for the additional dose.

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