San Francisco/London: Panic gripped big tech firms like Facebook and Twitter which decided to close their offices from Seattle to London as more employees tested positive for the new coronavirus.
Facebook shut its three London offices till Monday after an employee was diagnosed with COVID-19.
The social networking giant told nearly 3,000 employees here to work from home after an employee, who is based in Singapore but visited the London offices between February 24-26, was diagnosed with the new coronavirus.
An employee based in our Singapore office who has been diagnosed with COVID-19 visited our London offices on February 24-26.
"We are therefore closing our London offices till Monday for deep cleaning and employees are working from home until then," the company said in a statement.
There have been 163 cases of coronavirus so far in the UK.
Earlier, Facebook recommended all its Bay Area employees in the US to work from home. The latest precautions come after San Francisco announced its first two coronavirus cases on Thursday.
Facebook has also shut its Seattle office until Monday after one of its contractors was confirmed to be infected with the virus. The infected contractor last visited the Facebook office on February 21. King County health officials said all Facebook sites should work from home until March 31.
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