We had to work very quickly to procure the low dead-volume syringes that are necessary to extract the maximum number of doses per vial. This was especially the case when Pfizer moved to six doses per vial. In very short order, the department worked quickly to procure 72.5 million low dead-volume syringes, and over 30 million of those have been delivered to provinces and territories to date.
I just want to emphasize how difficult it was to do that procurement. In a time when every country in the world was seeking that low dead-volume syringe, our department was able to put into place multiple contracts for the continued delivery of syringes.
In terms of the question relating to expiry that you had, I will ask Bill Matthews—