Isn't the big advantage of the Moderna vaccine over BioNTech that it doesn't have to be stored at -80c? This one should be stable at normal refrigerator temperatures for up to a month and -20c for longer, according to the article. That doesn't seem hard to transport at all
BioNTech didn't get to perform testing regarding storage and is therefore giving the safe numbers. Might as well be possible to transport and store their vaccine at much friendlier temperatures - but since that isn't verified this risk won't be taken with today's knowledge.
