https://www.houstonmethodist.org/blog/articles/2020/dec/why-the-covid-19-vaccine-needs-to-be-kept-so-cold/#:~:text=Cooke%3A%20The%20reason%20the%20Pfizer,down%20very%20rapidly%20and%20easily. Found the reason. The mRNA technology demands it. Its fragile apparently. And we're not talking refrigerator cold. It needs -100F temps for long term storage of more than a week. So @whyaserverwasbuilt was only really far off with his milk-curdling analogy. Quick to criticize and wholly unhelpful.