Single doses of COVID-19 vaccines might be enough for now, Ottawa says
Feb 18 2021 — Tonda MacCharles — Toronto Star — One of Canada’s top public health officials says provinces may move to a single dose of authorized two-dose vaccinations and delay a second dose, based on early data showing a high level of protection after a single dose. Although not yet authorized, the delay could open the door to wider and speedier inoculations as variants […]