U.S. goal to squeeze more COVID shots from Pfizer vials hampered by syringe production

By Carl O'Donnell (Reuters) - The world's largest syringe maker does not have the capacity to substantially increase U.S. supplies of specialty syringes needed to squeeze more doses from Pfizer Inc COVID-19 vaccine vials in the coming weeks, an executive said in an interview. 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, called low dead space syringes, which minimize the amount of vaccine left in the syringe after use. If healthca...