How countries including Canada are trying to squeeze more COVID-19 vaccine from Pfizer-BioNTech vials

How countries including Canada are trying to squeeze more COVID-19 vaccine from Pfizer-BioNTech vials

CBC.ca

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To get the extra dose from the Pfizer-BioNTech vials requires the use of a low-dead-volume syringe, which is not as common and is now in high demand.

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