The vaccine has to be stored at minus 70 degrees Celsius -- colder than an Arctic winter -- in special freezers that can cost $20,000.
December 17, 2020
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Oregon Health & Science University ICU nurse Ansu Drammeh is vaccinated by dental resident Ryan Thrower.
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FRITZ LIEDTKE/OHSU
The COVID-19 vaccine from Pfizer and BioNTech poses special challenges for providers.
