Comparing COVID Vaccines: Pfizer vs. Moderna vs …

Pfizer’s vaccine poses a logistical problem. It has to be stored at -94° F, which is an obscenely cold temperature that requires specialized freezers. Moderna’s vaccine can be stored in a normal freezer, while AstraZeneca’s can be stored in a regular refrigerator. Shelf-life. Once again, Pfizer’s vaccine poses a unique challenge.

https://www.acsh.org/news/2020/11/23/comparing-covid-vaccines-pfizer-vs-moderna-vs-astrazenecaoxford-15170