AstraZeneca vaccine trial hold leaves U.S. participants in limbo

AstraZeneca vaccine trial hold leaves U.S. participants in limbo

As AstraZeneca’s Covid-19 vaccine trial remains on hold in U.S., participants waiting on a second dose are in limbo

By REBECCA ROBBINS

NELSON ALMEIDA/AFP VIA GETTY IMAGES

Experts say there’s no need to worry about this group or their data, because such trials are designed to account for such situations.

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