COVID-19 vaccine, health officials said Wednesday.Officials said appointments would still go ahead for people who had booked their first dose.
Ontario pausing use of AstraZeneca COVID-19 vaccine due to safety, supply concerns “Given the limited availability of the AstraZeneca vaccine supply, we are holding all remaining AstraZeneca vaccine for dose-two booster immunizations,” officials said in their daily COVID-19 written update.“We are also awaiting the findings of studies currently underway on interchangeability of COVID-19 vaccines, as well as guidance from the National Advisory Committee on Immunization.