The results of a double-blind, randomized, multisite placebo-controlled trial that was conducted in South Africa show that Oxford’s ChAdOx1 nCoV-19 (AZD1222) vaccine has no efficacy
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Since the start of the COVID-19 (coronavirus disease 2019) pandemic in late December 2019, the etiological agent severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) of
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Scientific studies performed on highly pathogenic viruses like the novel SARS-CoV-2 virus must be carried out in laboratories that meet strict biosafety level (BSL) requirements.
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