COVID-19

By

Zecheng Qian

The biological structure of CoViD-19 virus consists of three main parts, from the outer surface to its insides, spike protein, lipid membranes and RNA respectively. There is a S protein on the surface of the virus and during infection. The S protein is cleaved into two parts. One of them allows the virus to bind to the peptidase domain of ACE2 and the other plays an role in membrane fusion. The two parts fuction together so that the virus can infect human cells.

The virus can spread in multiple ways, the majority of them is from person to person. It's a respritory virus and is spread when an infected person coughs or sneezes. To avoid being infected, we should avoid close connection with those who are infected, clean our hands frequently and wear masks.

Now the spreading of the virus is thrilling, we should keep ourselves in home and avoid socialization activities in person. Besides, if we are unfortunately infected, we should report our health status and keep ourselves isolated so that no other people will be infected by us.

Reference URL's:

http://news.sciencenet.cn/htmlnews/2020/2/436002.shtm