Let's not use 20 different names. All of us on this website might know how to differentiate but your grandma doesn't.

Corona is a class of virus, so let's not call it corona.

Sars-2-ncov? Really? Covid19? Okay but technical Ncov19- same.

Let's call it Wuhan flu for two reasons-

1) Chinese people, in China don't care about names and are reasonably thick skinned.

2) the kind of people who are racists won't be smart enough to know Wuhan is on China, if they don't alreadh know the virus originated in China.

3) and most importantly my grandma can search for it.