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These are the first deaths due to Covid-19 on US soil.
Five of the deaths took place in King County, whose primary city is Seattle.
Researchers who studied the very first two Washington deaths had said the virus might have been spreading there for weeks, and recommended that up to 1,500 individuals might have been infected.
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Reuters
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The outbreak in King County is concentrated on one nursing center.
Eight of the 14 cases in King County, and 4 of the deaths, are connected to one care facility.
King County is to purchase a hotel so it can isolate the growing number of patients in the area.
Dr Jeff Duchin, the chief health officer for the Seattle and King County Public Health company, stated there would be no broader school cl