Perhaps the storage requirements were casually changed to '55' degrees F as well?
https://khn.org/morning-breakout/ultra-cold-storage-of-pfizer-vaccine-no-longer-required-by-fda/
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Perhaps the storage requirements were casually changed to '55' degrees F as well?
https://khn.org/morning-breakout/ultra-cold-storage-of-pfizer-vaccine-no-longer-required-by-fda/