COVID-19 is a contagious respiratory and vascular (blood vessel) disease. It is caused by becoming infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which is a specific type of coronavirus. Common symptoms include fever, cough, fatigue, shortness of breath or breathing difficulties, and loss of smell and taste. (from wiki)
In 2020, except a few countries, such as China and Vietnam, all other countries are facing severe GDP decrease.
This is the first global epidemic situation since 1918 flu pandemic. There is no doubts that the world will be changed because of covid-19, economically and politically. It is interesting to monitor how each country controlling the coronavirus pandemic, because it may give us a clue of the efficiency and effectiveness of the management ability of different governments.