WHO: AstraZeneca vaccine trial pause a ‘wake-up call’

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AstraZeneca’s pause of an experimental vaccine for the coronavirus after the illness of a participant is a “wake-up call” but should not discourage researchers, the World Health Organization’s (WHO) chief scientist said on Thursday.

“This is a wake-up call to recognise that there are ups and downs in clinical development and that we have to be prepared,” Soumya Swaminathan told a virtual briefing from Geneva.

“We do not have to be discouraged. These things happen.”

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