Seattle downtown skyline and Mt. Rainier, Washington

A security technology company closed its new skyscraper in downtown Seattle Monday after it was discovered that one of its employees came into contact with a person who tested positive for coronavirus (COVID-19),

F5 Networks, which employs about 1,500 people in recently-opened F5 Tower, closed the building quickly for a precautionary cleaning, reports Geek Wire.

The F5 Networks employee who came into contact with a coronavirus patient was tested and ultimately showed to have not picked up the virus, says the company.

Coronavirus cases are on the rise in the United States and many other nations after initially breaking out in China. There wee 106 total confirmed COVID-19 cases in the United States as of late Tuesday morning, according to the The Center for Systems Science and Engineering at Johns Hopkins University. The county where Seattle is in, King County, Washington, has 14 confirmed COVID-19 cases, five of which have resulted in death.

Very much aware of the coronavirus issue in its area, F5 had its offices disinfected on Tuesday, is encouraging workers to do their jobs at home and is either postponing large meetings or holding them virtually.