https://www.siliconvalley.com/2020/03/03/coronavirus-twitter-tells-employees-they-should-work-from-home/

Amid growing fears about the spread of coronavirus around the Bay Area, Twitter has told its employees that they should work from home, if at all possible.

Twitter said in a company blog post that employees should avoid coming into its San Francisco headquarters, and other offices around the world, in order cut down on the risk of exposure to the coronavirus that has afflicted almost 100 persons in the United States, and caused six deaths in Washington state.