Late-stage study of first single-shot vaccine begins in US – Sydney Morning Herald

A handful of other vaccines including shots made by Moderna and Pfizer are already in final-stage testing in the US. Testing of another experimental vaccine, made by AstraZeneca in partnership with Oxford, remains on hold in the US after a patient experienced an adverse reaction during the phase 3 trial. Studies have resumed in other countries.
The Johnson & Johnson vaccine could offer significant advantages over other candidates owing to a single-dose regimen that would help cut distributi…

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