2019n-CoV is a RNA virus belonging to beta corona, similar to SARS or MERS, and is a common infectious disease with high mortality due to the absence of vaccines and treatments. The mortality rate of SARS and MERS was 10% and 30%, respectively. This is due to the level of medical care, and because it has very high gene homology with SARS and the same cellular receptor uses ACE2, it can be regarded as a second SARS virus.

Viral disease, like a fire, early response is very important. The first thing you need to do when it is fire is to scream. That way, you should alert your surroundings so you don't miss an initial response. It's better to stay a bit more fuzzy than a big accident. Already, China failed