You'd reckon Sadiq Khan might have more important things to worry about than this.
The coronavirus is not ‘Chinese’.— Mayor of London (@MayorofLondon) March 19, 2020
Viruses do not have nationalities.
We will defeat this disease not by demonising a whole country, but by reaffirming our commitment to working together to eradicate it for good. Thank you to Unmesh Desai for raising this vital question. pic.twitter.com/4iC7545AUm
Just quietly, the WHO is very clear about where the disease came from.
And there's a longstanding convention of referring to new diseases by the place name where they originated or were first identified.