Washington (CNN) A Department of Homeland Security facility in King County, Washington, has been temporarily closed after an employee visited a nursing home that was affected by the coronavirus outbreak, acting Homeland Security Secretary Chad Wolf announced Tuesday.

Wolf told the House Homeland Security Committee that the decision was made "out of an abundance of caution." He said employees have been told to "telework," if possible, to reduce the chance that it will spread, and that the facility will remain closed for 14 days. Employees were also "directed to self-quarantine for 14 days."

A spokesperson for the department confirmed to CNN that the facility is a Citizenship and Immigration Services field office located in Seattle.

Wolf, who said he learned of the situation late Monday night, said the employee visited a family member at the Life Care Facility in Kirkland, Washington, before it was known that the facility was impacted by the coronavirus outbreak. The nursing care and rehabilitation facility is now at the center of the outbreak in the US, with four deaths tied to the site and relatives and friends of its 108 patients barred from visiting.

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