On Wednesday, Cathay said that it had left it to the crew's discretion to wear a surgical mask while operating on mainland China flights if they choose to
Li Bin, National Health Commission vice-minister told reporters that that evidence to suggest that the virus is spreading through "respiratory transmission" was available
The new coronavirus is related to the virus that caused SARS in 2002 but so far, it did not show up the transmissibility of SARS, said Japanese virologists