没那么容易

A white paper by the logistics company DHL released in September found that “extraordinary measures” would be required to distribute a frozen vaccine beyond about 25 countries - covering only one-third of the world’s population - that currently have the capacity to store it.“Currently, large parts of Africa, South America and Asia could not be readily supplied at scale due to lack of cold-chain logistics capacity suitable for life science products,” https://www.dhl.com/content/dam/dhl/global/core/documents/pdf/glo-core-delivering-pandemic-resilience-2020.pdf