How to distinguish between common flu and nCov?

We are a team from China. This is a series of popular science videos related to the  COVID-19. We hope these videos of COVID-19 can help you.

Series of video:
How dangerous is nCoV?:
Transmission modes of nCoV: Do you know all of them?:
Facing nCoV, are you wearing your mask correctly?

knowledge over fear,Coronavirus,COVID19,