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Facebook’s corporate headquarters location in Menlo Park, California.

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JOSH EDELSON/AFP/Getty Images

Facebook on Wednesday confirmed that a contractor at its Seattle, Washington, office tested positive for coronavirus.

The Seattle office is closed until Monday, March 9, and employees are being encouraged to work from home until March 31.

The announcement comes a day after Amazon confirmed that .

, including 39 cases of the virus and 10 deaths in Washington state.

.

Facebook confirmed on Wednesday that a contractor at its Seattle location tested positive for COVID-19, a respiratory disease caused by the coronavirus.

“A contractor based in our Stadium East office has been diagnosed with the COVID-19,” Anthony Harrison, Facebook company spokesperson, told Business Insider’s Rob Price. “We’ve notified our employees and are following the advice of public health officials to prioritize everyone’s health and safety.”

No further details were provided on when the contractor tested positive for the disease and if other employees came into contact with the individual.