AstraZeneca’s American depositary receipts fell as much as 3.3% in New York on Wednesday afternoon after word of the person’s death, but trimmed most of those losses in recent trading.
A clinical trial of the vaccine in the US has been on hold for more than a month. Studies were halted globally in September when a U.K. participant became ill, but have resumed in the U.K., Brazil, Japan, South Africa and India in recent weeks. While temporary pauses in vaccine studies are common, AstraZeneca and Oxford have faced pressure to disclose more information about the U.K. episode.