Obviously there are other considerations for Mexico and the Pfizer vaccine but to me this would eliminate one BIG hurdle for using it here....
https://time.com/5942452/pfizer-biontech-vaccine-cold-storage-fda/?utm_medium=email&utm_source=sfmc&utm_campaign=newsletter+brief+default+ac&utm_content=+++20210228+++body&et_rid=31856063