In the northern parts of Canada, they can only use one of the vaccines because the other ones have specific storage requirements (I don't remember the exact details) that they can't do reliably up there.
EDIT: Correction: I misremembered what i read. There's only one they can't use (Pfizer) because it needs to be stored in freezers.
Last edited by ownedbycats; 03-08-2021 at 05:42 PM.
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