Diseases, Conditions, Syndromes

EXPLAINER: How much COVID-19 vaccine will be shipped in US

COVID-19 vaccines have begun shipping in the U.S. after getting emergency authorization, setting off the nation's biggest ever vaccination push. But supplies are expected to be limited for some time.

Vaccination

Saudi Arabia approves Pfizer-BioNTech virus vaccine

Saudi Arabia on Thursday approved the use of the Pfizer-BioNTech novel coronavirus vaccine, state media reported, becoming the second Gulf country after Bahrain to green-light the drug.

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