AstraZenecaAstraZeneca (NYSE:AZN) announced today that it voluntarily paused the trials for its COVID-19 vaccine candidate after an unexplained illness.

The company said in a news release that a standard review process was triggered so an independent committee could review safety data surrounding a single event of an unexplained illness that occurred in the UK Phase III trial for the AZD1222 vaccine being developed in collaboration with Oxford University.

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