- U.S. FDA's Hahn plans 'significant' work with AstraZeneca in COVID-19 trial inquiry Reuters Africa
- NIH 'very concerned' about serious side effect in coronavirus vaccine trial FiercePharma
- Nobody wants vaccine trials to fail. But they just might. The Washington Post
- NIH ‘concerned’ about side effect in coronavirus vaccine trial Los Angeles Times
- U.S. FDA investigating AstraZeneca's COVID-19 vaccine candidate Reuters
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