Rather, the recommendations issued by the National Advisory Committee on Immunization noted that the AstraZeneca vaccine could help speed up vaccination for younger age groups, who otherwise would have to wait longer for protection.
The arrival of a third vaccine raises the prospect of further accelerating Canada's efforts to inoculate the general population, which hit a new gear Monday in several provinces.
Ontario, Quebec and B.C. started or announced plans to start vaccinating older seniors living in the community on Monday, after a first phase that focused largely on health-care workers, remote communities and long-term care.
In Montreal, mass vaccine sites including the Olympic Stadium opened their doors to the public as the province began inoculating seniors who live in the hard-hit city.