A COVID-19 coronavirus update from concerned physicians -- extensive article, excellent:
https://www.kevinmd.com/blog/2020/03/a-covid-19-coronavirus-update-from-concerned-physicians.html

How coronavirus symptoms compare with those of the flu, allergies, and the common cold
https://www.businessinsider.com/coronavirus-symptoms-compared-to-flu-common-cold-and-allergies-2020-3?utmSource=twitter&utmContent=referral&utmTerm=topbar&referrer=twitter

Robert