Elizabeth Plasencia, a member of the RRT at Medical Hospital Center Miami, receives the Pfizer-BioNTech COVID-19 vaccine by Susana Flores Villamil, RN at Jackson Memorial Hospital in Miami, Florida, on Tuesday, December 15, 2020. The first delivery of the vaccine will be about 3 million doses shipped nationwide over three days. Pfizer has developed shipping containers that use dry ice so that the vaccine can be shipped and stored at about 94 degrees below zero. Photo by Gary I Rothstein /UPI