Winnipeg Free Press MIKAELA MACKENZIE / WINNIPEG FREE PRESS Bhargav Desai, pharmacy manager at Peguis Pharmacy, says his last shipment of AstraZeneca was on April 20 and all of the doses were used and no appointments were cancelled. Immunization providers say they aren’t concerned about being able to use Manitoba’s remaining supply of the AstraZeneca vaccine despite negative and confusing messaging about it. Immunization providers say they aren’t concerned about being able to use Manitoba’s remaining supply of the AstraZeneca vaccine despite negative and confusing messaging about it. One Winnipeg pharmacist, who requested anonymity, told the Free Press a number of appointments for AstraZeneca had been cancelled in recent days, and the pharmacist chalked it up to people being concerned about reports of blood clots.