Silver was used for thousands of years to rid bacteria's, fungus, viruses & parasites.  In many countries it is the product of choice.  You take this product orally each day and you can also dilute and clean with it.  Many hospitals around the world use it in the fight against MRSA.  Also Milk Farmers in many coutries will use it to sterilize their Stainless Steel Milk Containers.  History shows that slaves would want to work in the Palaces due to the high silver use to make products and also to eat and drink out of.