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Anecdotal 'evidence' alert...
I definitely noticed the change in taste after I turned the corner with my fever on Weds/Thurs, after initially going down with fever on Sunday night (not having read anything about these effects or theories yet). I still noted the taste differences up to Sunday night - when what I hoped would be a cold post-viral beer tasted nasty and sour.
(Disclaimer as previous - I have no confirmation I actually had the disease, as I wasn't tested)
Mrs c00ps had a brief loss of taste/smell sensation for a day or so, with no other signs or symptoms.
It'll be interesting to see where anosmia sits on the timeline though.
The first link even specifically mentions it in the post-infectious phase for other viruses like the common cold. I think it will be quite different to the precursor symptoms like the dry cough or shortness of breath, but obviously still worth isolating if only because it's unknown whether someone with anosmia could infect others and for how long.