What We Know So Far About New China Virus
A new SARS-like virus has killed 17 people in China, infected hundreds and reached as far as the United States, with fears mounting about its spread as hundreds of millions travel for Lunar New Year celebrations, which start Friday.Many countries have stepped up screening of passengers from Wuhan, the Chinese city identified as the epicenter, and the World Health Organization has called an emergency meeting.Here's what we know so far about the virus:It's entirely newThe pathogen appears to be a never-before-seen strain of coronavirus — a large family of viruses that can cause diseases ranging from the common cold to Severe Acute Respiratory Syndrome (SARS), which killed 349 people in mainland China and another 299 in Hong Kong between 2002 and 2003.Arnaud Fontanet, head of the department of epidemiology at…