I agree that even 20% I mentioned is worth curing.
Even in COVID-19 running nose was one of the rare symptoms listed, I wonder whether the second/third wave with new variants has changed that because from the anecdotal statements I hear here(INDIA)[1] the symptoms might have altered.
I feel more data related to symptoms needs to be collected and published.
[1] https://timesofindia.indiatimes.com/life-style/health-fitnes...