This handout photo taken in October 2020 and provided by Pfizer shows part of a "freezer farm," a football field-sized facility for storing finished COVID-19 vaccines, in Puurs, Belgium. Pfizer's experimental vaccine requires ultra-cold storage and are being stored in special freezers until approval and distribution. Pfizer Inc. said Monday, Nov. 9, 2020, that its COVID-19 vaccine may be a remarkable 90% effective, based on early and incomplete test results that nevertheless brought a big burst of optimism to a world desperate for the means to finally bring the catastrophic outbreak under control. (Pfizer via AP)
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