SINGAPORE—For three days in January, 109 people from different countries gathered for a business meeting at the Grand Hyatt Singapore, a luxury hotel in the heart of the city’s main shopping area. Not long after, a Malaysian participant developed a cough and fever. Two men from South Korea fell sick. A 27-year-old Singaporean—one of only 15 attendees who hadn’t come from abroad—reported symptoms. All four tested positive for the new coronavirus this week, raising...

Source: Wall Street Journal February 07, 2020 12:22 UTC