AstraZeneca COVID-19 vaccine will be delivered to Ontario the week of May 17.Officials said Wednesday the AstraZeneca doses will be used as second shots.AstraZeneca was primarily administered in Ontario pharmacies.
The government did not elaborate on booking details for the second shot.On Tuesday, Ontario paused the use of first shots of AstraZeneca in the province due to safety concerns and supply issues.
Ontario pausing use of AstraZeneca COVID-19 vaccine due to safety, supply concerns Dr. David Williams, Ontario’s chief medical officer of health, said the decision was made out of an abundance of caution because of increased instances of an extremely rare and potentially fatal blood clotting disorder, vaccine-induced immune thrombotic.