An air carrier worker in an orange vest transfers a box of Pfizer-BioNTech vaccine against the COVID-19 under the COVAX scheme at an airport in San Luis Talpa, El Salvador
An air carrier worker transfers a box of Pfizer-BioNTech COVID-19 vaccine—supplied under the COVAX scheme—at an airport in San Luis Talpa, El Salvador, on March 22, 2021.  REUTERS/Jose Cabezas