[eluusive]

Okay... so? This is a symptom of many viruses. My sister got Bell's Palsy from the flu a couple months ago and still hasn't recovered.

What are the relative rates of these issues with nCoV-19 over Rhinovirus, normal Coronavirus, and Flu A/B?

Any neurotropic virus can cause this:

https://en.wikipedia.org/wiki/Anosmia#List_of_causes

Examples of such viruses:

https://en.wikipedia.org/wiki/Neurotropic_virus#Examples

Influenza