Scientists are demanding to know why AstraZeneca’s paused trial of its Covid-19 vaccine is still on hold in the US while it has been restarted elsewhere, worrying it could damage public trust there.
The trial was originally halted because a UK participant developed a serious inflammatory condition. In the US, it has been on hold for almost two weeks, while trials in other countries including the UK have restarted.
Ashish Jha, dean of the school of public health at Brown University, said: “Normally, companies wouldn’t give out information in the middle of a trial, but this is an exceptional case and we need to have radical transparency. Otherwise, there is a risk the public will lose confidence in the whole process.”
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