The strain of coronavirus surfaced in December and has spread through parts of Asia, sickening hundreds and killing at least 17 people. The authorities in China have since closed off Wuhan, a city of more than 11 million people, by canceling flights and trains leaving the city, and suspending bus, subway and ferry service within it. Travel restrictions have been extended to several cities nearby.
www.wsj.com/articles /what-we-know-about- the-wuhan-virus-1157 9716128
How is the virus spread among humans?
Seven strains are known to infect humans, including the virus in Wuhan. They can be spread by coughing, kissing or making contact with saliva, Chinese officials say. Four of the strains cause common colds. Two other strains, however, have been extremely deadly: Severe acute respiratory syndrome, known as SARS, and Middle East respiratory syndrome, or MERS, are coronaviruses.
The mortality rate from the Wuhan virus is tracking at roughly 3%. Many patients who have died were over 60 years old, had other illnesses such as diabetes and were admitted to hospitals when their illness was advanced.