COVID-19 vaccinations by four months.A draft of the letter obtained by Global News from an Ontario government source highlighted the unknowns surrounding the plan and the thoroughness of it.The document was signed by doctors with the University of Toronto, University Health Network (UHN), Sunnybrook Research Institute, Princess Margaret Cancer Centre and Montreal Clinical Research Institute.
Ontario to extend COVID-19 vaccine intervals after change in federal guidance The letter came just days after Ontario announced it would extend COVID-19 vaccine intervals in response to the recommendation from Canada’s National Advisory Committee on Immunization (NACI).In new guidelines posted on the NACI website on March 3, the committee said.