A Pfizer-BioNTech COVID-19 coronavirus vaccine shipment is offloaded from an Emirates Airlines Boing 777 that arrived from Brussels to Dubai International Airport in Dubai, United Arab Emirates, early Sunday, Feb. 21, 2021. As the coronavirus pandemic continues to clobber the aviation industry, Emirates Airlines, the Middle East’s biggest airline, is seeking to play a vital role in the global vaccine delivery effort. (AP Photo/Kamran Jebreili)