--AstraZeneca PLC put on hold a Covid-19 vaccine study due to a suspected serious adverse reaction in a participant in the U.K., according to a report from Stat News.

--A company representative told Stat that the company's "standard review process triggered a pause to vaccination to allow review of safety data."

--It wasn't immediately known what happened or when but the test subject is expected to recover, Stat reported, citing a person familiar with the matter.

--AstraZeneca's shares fell 6.5% to $51.17 in after-hours trading, while those of Moderna Inc., which makes a leading Covid-19 vaccine candidate, rose 1.8% to $55.29. 



   Full story: https://www.statnews.com/2020/09/08/astrazeneca-covid-19-vaccine-study-put-on-hold-due-to-suspected-adverse-reaction-in-participant-in-the-u-k/