Zhang Xinyuan
China mystery virus claims sixth victim as holiday travel stokes risk
The death toll from a mysterious flu-like virus in China climbed to six on Jan. 21 as new cases surged beyond 300 and authorities fretted about the added risk from millions of Chinese travelling for the Lunar New Year holiday.
Round the world, airports tightened screening of travellers from China as officials confirmed the coronavirus strain is contagious between humans.