There's a small, positive effect on immune function from swallowing zinc pills. But there's a large effect against the coronavirus family, specifically, from co

There's a small, positive effect on immune function from swallowing zinc pills. But there's a large effect against the coronavirus family, specifically, from coating your throat with zinc. https://www.ncbi.nlm.nih.gov/pubmed/28515951 https://www.ncbi.nlm.nih.gov/pubmed/28515951