Hendrik Streeck, the researcher who identified loss of smell and/or taste as a covid symptom in the first place, recently stated that it seems to occur primaril

Hendrik Streeck, the researcher who identified loss of smell and/or taste as a covid symptom in the first place, recently stated that it seems to occur primarily in the later stages of the disease (although he cautions that this has not yet been studied enough to be sure about it). So I'm not sure if this is really useful to track the disease. Unfortunately I only have this German source handy: https://youtu.be/VP7La2bkOMo?t=178 https://youtu.be/VP7La2bkOMo?t=178