Pfizer/BioNTech’s vaccine is reliant on a cold chain that can keep it at a stable minus 70C = exceptionally cold

Pfizer/BioNTech’s vaccine is reliant on a cold chain that can keep it at a stable minus 70C = exceptionally cold for a vaccine -> big opportunity for medical freezer manuf.
ft.com/content/020775… https://t.co/ImpX0yg8z6

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