WHO ADVICE FOR INTERNATIONAL TRAVEL AND TRADE IN RELATION TO THE OUTBREAK OF PNEUMONIA CAUSED BY A NEW CORONAVIRUS IN CHINA

摘要

10 January 2020 - On 31 December 2019, a cluster of pneumonia of unknown etiology was reported in Wuhan City, Hubei Province of China. On 9 January Chinese authorities reported in the media that the cause of this viral pneumonia was initially identified as a new type of coronavirus, which is different from any other human coronaviruses discovered so far. Coronaviruses are a large family of respiratory viruses that can cause diseases ranging from the common cold to the Middle-East Respiratory Syndrome and the Severe Acute Respiratory Syndrome (SARS).