Registered Pharmacist Paula Agoglia fills a dead volume syringe with the COVID-19 vaccine at a pop-up vaccination site in the William Reid Apartments, Saturday, Jan. 23, 2021 in the Brooklyn borough of New York. The syringe allows for a full 6 doses to be extracted from each vial. (AP Photo/Mary Altaffer, Pool)
Registered Pharmacist Paula Agoglia fills a dead volume syringe with the COVID-19 vaccine at a pop-up vaccination site in the William Reid Apartments, Saturday, Jan. 23, 2021 in the Brooklyn borough of New York. The syringe allows for a full 6 doses to be extracted from each vial. (AP Photo/Mary Altaffer, Pool)