Abstract Although vaccines against severe acute respiratory syndrome coronavirus 2 have now been found safe and efficacious, there remains an urgent global health need to test both these vaccines and additional vaccines against the same virus. Under variable conditions, either standard or unusual designs would for both familiar and often-missed reasons make continued testing possible and ethical. Although vaccines against SARS-CoV-2 have now been found safe and efficacious, there remains an urgent global health need to test both these vaccines and additional vaccines against the same virus.
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【저자키워드】 COVID-19 vaccine, Ethics, randomized controlled trials as topic,
【저자키워드】 COVID-19 vaccine, Ethics, randomized controlled trials as topic,