Human beings have used silver to treat various ailments for over 100 years due to its natural antibacterial and antifungal properties. 

In Australia, it is still common for indigenous people to put a piece of silver in their water tanks to prevent corruption and Ancient Europeans  used silver utensils to prevent food poisoning.

In modern times, silver water filters and tablets have been introduced for homes, companies, schools, colleges, Food places and airlines.

In the electric ionization method, silver and copper ions are used instead of chlorine to disinfect swimming  pools.

More than 50 silver-based oral and injectable drugs exist n the market today.