KU Med, Children’s Mercy Pause Clinical Trial Of COVID-19 Vaccine

Studies of a possible COVID-19 vaccine have been paused while a safety review is conducted. Hans Pennink/AP
Studies of a possible COVID-19 vaccine have been paused while a safety review is conducted. Hans Pennink/AP

The University of Kansas Medical Center and Children’s Mercy Hospital have halted a clinical trial of a COVID-19 vaccine after a participant in the United Kingdom developed an adverse reaction.

Pharmaceutical company AstraZeneca, which developed the vaccine along with the University of Oxford, said on Tuesday that it had put Phase 3 testing of the vaccine on hold while it conducts a safety review o…