Quote:
Originally Posted by Fuzz
I'd be interested to know why the 2 have such different temperature requirements. They are both mRNA vaccines, so are they just using different mediums? Or is Pfizer just more cautious?
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Both, from my understanding. They're both delivered in proprietary lipid nanoparticles, but Moderna's version can likely withstand warmer temperatures. However, Pfizer is now testing theirs at warmer temperatures as well and are apparently confident that it'll be able to handle that, so who knows.