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A conversation with DLA cold chain expert Dana Dallas
The first doses of Pfizer's COVID-19 vaccine arrived at Naval Medical Center San Diego (NMCSD), with distribution being conducted in phases, Dec. 14, 2020. Dana Dallas, DLA Troop Support Medical cold chain expert, has been working for nearly two decades at maintaining and improving procedures and packaging to ensure safe delivery of vaccines and other Medical materiel such as this. (U.S. Navy photo by Mass Communication Specialist 1st Class Vernishia R. Vaughn-Lucas)