COVID-19 vaccine, but the timing of such a rollout is important.“At some point next year there might be a recommendation for everyone to have a third dose,” said Public Health Agency of Canada’s deputy chief public health officer, Dr.
Howard Njoo.“We need to do a risk-benefit or cost-benefit analysis because it would be a big decision to have a third dose for everyone,” he said.“We don’t want to administer third doses too early but we also don’t want to wait too long to administer the third dose … we don’t want to wait until such a time there are too many cases among vaccinated people.” Moderna’s COVID-19 vaccine booster shot approved by Health Canada Health Canada has recently approved both Pfizer and Moderna’s COVID-19 vaccine boosters.