COVID-19 vaccines.And they worry that will lead to unnecessary hesitancy at a time when Canada’s inoculation rollout needs to ramp up.The recently approved Oxford-AstraZeneca vaccine, and the shot by Johnson & Johnson that could be next in line for authorization, showed 62 and 72 per cent efficacy in preventing COVID-19 infections in their respective clinical trials.
Canada approves Johnson & Johnson’s 1-shot COVID-19 vaccine Compared to the 95 per cent effectiveness of mRNA vaccines from Pfizer-BioNTech and Moderna, it seems like a glaring difference.