You beat me to it. Individuals with adequately high levels of circulating selenium are virtually immune to ‘Enveloped Viruses’ such as the coronavirus in all forms. It interferes with the virus envelope ability to bind to, and infect a cell.
Astragalus herb is high in selenium, and has been shown useful for the common cold and flu virus infections. My friend’s wife swears by it and is her first ‘go-to’ remedy for sniffles or sore throat.
Here’s another article detailing this and other “BLUNT TRUTHS ABOUT THE CORONAVIRUS”.
Stunning… best info. I have found anywhere about it’s origins and likely infection curve.