China believes new virus behind mystery pneumonia outbreak

China believes a mysterious pneumonia outbreak that struck 59 people is caused by a new strain of virus from the same family as SARS, which killed hundreds of people more than a decade ago.Lead scientist Xu Jianguo told the official Xinhua news agency that experts had "preliminarily determined" a new type of coronavirus was behind the outbreak, first confirmed on December 31 in Wuhan, a central Chinese city with a population of more than 11 million.It initially sparked fears of a resurgence of h