Can Zinc and Selenium protect us from coronavirus?

I researched articles that discussed the effects of vitamins and minerals on SARS-COV-2, coronavirus, Influenza as well as other viruses that cause upper respiratory infections. Here is my summery in the video below.
I researched some foods that can provide these vitamins. I think it is possible to build our immune system by nutrition and some supplementation.
If you cant find Zinc or Selenium pills get the food rich in it.

https://www.youtube.com/watch?v=U5IAe8enG3I&feature=youtu.be

Healthy wishes, Dr. Bar
Housecalls.Doctor
#Sarcov2 #covidd19 Ref for zinc: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3273967/ Ref for Selenium: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3723386/