Johnson & Johnson pauses coronavirus vaccine study, citing ‘unexplained illness’ in volunteer

Johnson & Johnson

Johnson & Johnson has temporarily halted its coronavirus vaccine trial after a trial participant contracted an “unexplained illness,” the company said, though offered few additional details about the setback.

The pharma firm’s 60,000-patient vaccine study was paused due to an adverse reaction in a volunteer, J&J confirmed to Stat News on Monday, citing privacy concerns while declining to outline the patient’s symptoms.

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