Researchers have started to recruit healthy Seattle-area volunteers to participate in the first clinical trial of an experimental coronavirus vaccine, a faster-than-expected start for the first vaccine readied for testing.

Kaiser Permanente Washington Health Research Institute in Seattle said Wednesday it aims to enroll 45 adults from the region in the trial. The study will test the safety of various doses of the vaccine developed by biotech Moderna Inc. and whether the shots produce an immune response.

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