The Singapore bank DBS on Wednesday cleared a downtown office and told some 300 employees to work from home after one of its staff was infected with the new virus, adding to concerns that also led authorities to scale back an air show drawing thousands of visitors.
Singapore's Health Ministry had confirmed 47 cases of the virus as of Tuesday.
DBS said in a statement it was informed Wednesday morning that an employee was confirmed to be infected and that as a precautionary measure it told all staff working on the same floor to work from home.
"We are also currently conducting detailed contact tracing with all employees and other parties that the infected person may have come into contact with," DBS said.
Meanwhile, Boeing issued a stark warning Wednesday about the impact of the deadly coronavirus outbreak, saying there was "no question" it would hammer the aviation industry and the broader economy.
Major airlines have halted flights in and out of China, where a lockdown has been imposed in the worst-affected areas, while several countries have banned arrivals from China.