HN Milan Torres prepares a dose of Covid-19 vaccine at the Walter Reed National Military Medical Center on December 14, in Bethesda, Maryland. Manuel Balce Ceneta-Pool/Getty Images

All 50 states — as well as Washington, DC and Puerto Rico — have received their first shipment of the Pfizer-BioNTech Covid-19 vaccine, according to statements from the state departments of health, governor’s offices, and local hospitals.