Mass coronavirus vaccinations begin in Montreal with seniors as young as 70 allowed to register[ Sign up for our Health IQ newsletter for the latest coronavirus updates ]After complaints of long lines on Monday, Dubé said he wants to remind people who have booked their appointment for the first dose not to show up too early.When vaccines first became available in December, the province focused on vaccinating priority groups such as residents in long-term care homes and seniors residences as well as health-care employees on the front lines of the health crisis.While there is a downward trend of COVID-19 indicators in Quebec, officials say they are concerned about the potential surge of variants, which are considered to be more.