NEWSPhotos: First distribution of COVID-19 vaccine leaves Michigan Pfizer facilityUSA TODAYA FedEx and a UPS truck back into the loading dock at Pfizer Global Supply in Portage, Mich., Sunday, Dec. 13, 2020.Junfu Han, Detroit Free PressA FedEx Airbus A300 freight plane loaded with Pfizer's Covid-19 vaccine takes off at Gerald R. Ford International Airport in Grand Rapids, Mich., Sunday, Dec. 13, 2020.Junfu Han, Detroit Free PressBoxes containing the Pfizer-BioNTech COVID-19 vaccine are loaded onto a truck for shipping at the Pfizer Global Supply Kalamazoo manufacturing plant in Portage, Mich., Sunday, Dec. 13, 2020.Morry Gash, APShipments of the Pfizer-BioNTech COVID-19 vaccine are loaded into a UPS plane on December 13, 2020 in Lansing, Michigan.Rey Del Rio, Getty ImagesA truck containing the Pfizer-BioNTech COVID-19 vaccine prepares to leave the Pfizer Global Supply Kalamazoo manufacturing plant in Portage, Mich., Sunday, Dec. 13, 2020.Morry Gash, APPfizer employees clap after line workers finished packing boxes containing the Pfizer-BioNTech COVID-19 vaccine to be shipped around the country.Morry Gash, APBoxes containing the Pfizer-BioNTech COVID-19 vaccine are moved to a loading dock for shipping at the Pfizer Global Supply Kalamazoo manufacturing plant in Portage, Mich., Sunday, Dec. 13, 2020.Morry Gash, APBoxes containing the Pfizer-BioNTech COVID-19 vaccine are moved to a loading dock for shipping at the Pfizer Global Supply Kalamazoo manufacturing plant in Portage, Mich., Sunday, Dec. 13, 2020.Morry Gash, APBoxes containing the Pfizer-BioNTech COVID-19 vaccine are loaded onto a truck for shipping at the Pfizer Global Supply Kalamazoo manufacturing plant in Portage, Mich., Sunday, Dec. 13, 2020.Morry Gash, APRon Roys embraces his wife Vicky, both of Jension, as they the FedEx cargo plane carrying Covid-19 vaccine take off at Gerald R. Ford International Airport in Grand Rapids, Mich., Sunday, Dec. 13, 2020.Junfu HanBoxes containing the Pfizer-BioNTech COVID-19 vaccine are loaded onto a truck for shipping at the Pfizer Global Supply Kalamazoo manufacturing plant in Portage, Mich., Sunday, Dec. 13, 2020.Morry Gash, APPfizer Global Supply in Kalamazoo, Mich., Thursday, Dec. 10, 2020.Junfu HanNancy Galloway (L) and Susan Deur cheer as trucks carrying the first shipment of the Covid-19 vaccine that is being escorted by the US Marshals Service, leave Pfizer's Global Supply facility in Kalamazoo, Michigan on December 13, 2020.JEFF KOWALSKY, AFP Via Getty ImagesPfizer's Covid-19 vaccine are being loaded onto an Airbus A300 freight plane at Gerald R. Ford International Airport in Grand Rapids, Mich., Sunday, Dec. 13, 2020.Junfu Han