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Pfizer Inc.
PFE,
and partner BioNTech SE
BNTX,
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.
In April, Pfizer is set to start a clinical trial evaluating a so-called lyophilized formulation in adults 18 to 55 years old in the U.S., according to a government database, clinicaltrials.gov, and confirmed by the company.
