Here is an in depth report of the effects of different types of oral zinc on common colds ( which are often coronaviruses)
Abstract. This is a re-analysis of reports from 1984 to 1992 of double-blind, placebo-controlled, clinical trials of zinc lozenges in the treatment of comm
academic.oup.com
Look at how much shorter the duration of the cold was. We could directly translate that to a decrease in severity and the difference between life and death in many individuals.
As the doctor said its important to start this immediately at the onset of symptoms.
In my case I had them ready and started immediately when I noticed I had lost my sense of smell and had a fever.
You can bicker all you like about why this study hasnt been done all over again for this new virus, but the mechanisms for its early stages are similar.
Why would people prevent others from knowing about this just to prove they are right?