Vaccines are put into a refrigerator by pharmacist Krisztina Biro in the Clinical Pharmacy of the University of Debrecen in Debrecen, Hungary, after the first batch of the Pfizer-BioNTech vaccines against the new coronavirus arrived in the country Saturday, December 26, 2020. The first shipment of vaccines produced in Puurs, Belgium, contains 9,750 doses and will be administered to 4,875 healthcare workers in Hungary. (Photo by Zsolt Czegledi/MTI via AP Photo)
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