Late-stage coronavirus vaccine trials run by AstraZeneca and Johnson & Johnson have resumed in the United States after the companies said Friday that serious illnesses in a few volunteers appeared not to be related to the vaccines.
source https://www.nytimes.com/2020/10/23/world/after-pausing-for-safety-concerns-astrazeneca-and-johnson-johnson-have-resumed-their-us-vaccine-trials.html
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