Ontario adds 3 regions to list of COVID-19 Delta hot spots, accelerates 2nd dose vaccine bookings “It may be frustrating, sometimes it may be less than ideal, that you have to queue, that you have to wait, but I think we have to look at this from the perspective of the glass being half full,” said Juni.“We’re at such a critical crossroads because of the Delta variant, we just need to help each other, leverage our sense of community and sense of service.”Timothy Sly, an epidemiologist and professor emeritus at Ryerson University’s School of Occupational and Public Health, said he was initially skeptical of Ontario’s capacity to quickly get its population vaccinated.