Pfizer to test freeze-dried COVID-19 vaccine that doesn’t need ultracold storage

March 31, 2021

Pfizer to test freeze-dried COVID-19 vaccine that doesn’t need ultracold storage
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Pfizer Inc. and partner BioNTech SE plan to begin soon testing a freeze-dried version of its Covid-19 vaccine, which if proven to work safely could ease storage and handling of the shots in rural U.S. areas and low-income countries.