Zinc supplementation decreases incidence of infections in the elderly: effect of zinc on generation of cytokines and oxidative stress. – PubMed – NCBI

https://www.ncbi.nlm.nih.gov/pubmed/17344507

Zinc Deficiency Symptoms

Emergency Room Doctor Doesn’t Realize Major Signs & Symptoms of COVID-19 Coronavirus Cases Match Evidences Of Zinc Deficiency