She says public health measures need to be in place to bring cases down. Canada has now approved four COVID-19 vaccines. Tam says mask wearing and other public health measures will likely continue in the months to come. Like other public health experts , Tam cautioned against comparing the efficacy of different vaccines head-to-head. "It's really, really important that you get protected from a really terrible case of COVID that could lead to your death."

Source: CBC News March 07, 2021 16:41 UTC