A pharmacist fills a syringe to prepare a dose of the Pfizer-BioNTech COVID-19 vaccine for frontline health care workers at a vaccination site at Torrance Memorial Medical Center on Dec.
19, 2020 in Torrance, California. (Photo by PATRICK T. FALLON/A Leading health experts have dismissed suggestions that the U.S.
could "space out" the second shot of coronavirus vaccines to cope with perceived distribution issues.President Trump and Operation Warp Speed continually touted that they could vaccinate 20 million people by the end of December: in reality, the program saw just short of 3 million people receive the first shot of a two-dose program.With cases surging across the country, some have suggested that the U.S.