The cause of a viral pneumonia that has affected at least 59 people in Wuhan City, Hubei Province of China, remains unknown, but authorities have ruled out SARS, MERS and bird flu
Source:
https://www.newscientist.com/article/2229196-doctors-scramble-to-identify-mysterious-illness-emerging-in-china/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home