The first human testing of Moderna Inc.’s experimental vaccine against the novel coronavirus has begun, the National Institutes of Health said Monday.

The National Institute of Allergy and Infectious Diseases, part of the NIH, said the study began at the Kaiser Permanente National Health Institute in Seattle and that four people were given the vaccine on Monday. The NIAID, which is funding the research, said that as far as it knows, these are the first people to get the vaccine.

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