Vax Trial Paused After Adverse Reaction In Volunteer

STAT News reports:

A large, Phase 3 study testing a Covid-19 vaccine being developed by AstraZeneca and the University of Oxford at dozens of sites across the U.S. has been put on hold due to a suspected serious adverse reaction in a participant in the United Kingdom.

A spokesperson for AstraZeneca, a frontrunner in the race for a Covid-19 vaccine, said in a statement that the company’s “standard review process triggered a pause to vaccination to allow review of safety data.”

It was not immediately clear who placed the hold on the trial, though it is possible it was placed voluntarily by AstraZeneca and not ordered by any regulatory agency.

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