The AstraZeneca/Oxford University Phase 3 COVID-19 Vaccine Trial €“ Why Was It Paused?

by Helen Stillwell Recently, a Phase 3 trial investigating a COVID-19 vaccine (AZD1222) being developed by AstraZeneca and the University of Oxford was put on hold in the US following a report of an adverse event in a study participant in the U.K. (Feuerstein 2020). One of the predominant vaccine candidates against SARS-CoV-2, AZD1222 is …

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