Dr CHEN Zhong
President / Managing Director
M Grass International Institute of Smart Urban Greenology

INTRODUCTION – Background

The recent pneumonia outbreak is caused by a novel coronavirus, namely COVID-19. It has spread worldwide within three months and has been declared as a global pandemic by WHO on 11th March.

Here is a white board animation of the introducation of illustrated factual series of COVID-19:

https://www.youtube.com/watch?v=1x8Nzu9Rwws&t=4s