Every cell in our bodies requires iodine to  thrive and survive.
Without iodine we become diseased. 
Beware you are not buying plant based iodine which is inadequate to produce the necessary results.
Iodine is a mineral harvested deep beneath the earth's surface. 

“We know that respiratory viruses gain entry to the body through the nose,” Dr. Cohen said recently. “And we know that SARS-CoV2 is predominantly a ciliated cell infection, followed by viral replication and shedding into the mucus and neighboring cells.” Penn Medicine 
​Their studies are now applied to Covid 19