The vaccine made by Pfizer and its German partner BioNTech, one of two authorized for U.S. emergency use, is shipped in vials initially indicated to hold five doses. Six doses can be drawn with special syringes, call low dead space, which minimize the amount of vaccine left in the syringe after use.
The U.S. government's effort to squeeze more doses from Pfizer Inc's (PFE.N) COVID-19 vaccine vials is spurring unanticipated demand for specialized syringes that the world's largest syringe supplier says exceeds existing capacity.
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