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At least one vaccine by Pfizer and BioNTech must be stored in freezers with a temperature of -70 C (-94 F). More special freezers will be needed, but the CDC has urged states not to invest in them yet.

Assuming that everything goes according to plan, Amazon expects the acquisition to close in the fourth quarter of this year. The terms of the deal were not disclosed.

At first he drew the traditional buildings of his hometown - often by memory or from photographs - meticulously depicting various architectural details. Then he began using his art to tell others about life back home as he remembered it from his childhood: mainly drawing on memories of farming, festivals and weddings.

At an average altitude of 2,200 meters, traditional crops such as corn and potatoes have low yields in Weining, but it can grow high-quality vegetables－such as cabbage, and white radish－with advantages of fewer plant diseases and pests.

At least 14 people, including 13 firefighters, were injured in the devastating fire at Delhi's Peera Garhi area. Three people including a civilian were rescued from the debris of the building.