The current outbreak of viral pneumonia in Wuhan, a rapidly flourishing capital city of the Hubei province and the traffic hub of central China, was caused by a novel coronavirus designated 2019-nCoV by the World Health Organization (WHO). TEM image of 2019-nCoV particles. Image credit: Zhu et al, doi: 10.1056/NEJMoa2001017. How many people have been infected worldwide? 2,744 cases have been confirmed in mainland China, and 80 people are dead. There...