What is coronavirus?

Professor Kanta Subbarao, Director of the WHO Collaborating Centre for Reference and Research on Influenza in Melbourne explains what we do and don't know about the 2019 Novel Coronavirus.

[omolemomakgala]

I once had covid19 and now again I am having it

[veebee]

Does the virus come with annoying background music too? I have no doubt you know the subject but very much doubt whether you know making videos of this nature. Your annoying background music has diminished the value of contents by 50%. Sorry I had to say this because it is so annoying.