How to evaluate COVID-19?

COVID-19 is a new virus. Although SARS, AIDS, influenza and other virus infections have brought losses to human beings throughout history, it is unique that COVID-19 has swept the world with high infection rate and high mortality rate. This is a great challenge to the whole earth. Some countries stand out from it, showing strong resilience, and the government and people have strong cohesion. Some countries have been hit by viruses, and they keep saying that COVID-19 is not terrible.

This is a global health event, and some countries have given better answers, although the exam is not over yet. If the next time is not a health incident, food, grain, flood, drought, locust plague, and so on, it will be a major challenge to a country's various systems.