Moderna has become the third company to report promising results from their vaccine this week, following announcements by Pfizer and BioNtech, and Russia's (controversial) Sputnik V.
The Moderna vaccine has an advantage in that it can be stored in conventional refrigerators, while the Pfizer-BioNtech needs a temperature of -70C.
Report from Nature on the vaccine : COVID vaccine excitement builds as Moderna reports third positive result
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