For centuries silver has been successfully used as a means against bacterial attack. In the past silver coins were placed in earthen vessels to preserve milk.
Today the inside of refrigerators is made of silver-containing coatings to meet hygienic requirements. Through silver, enamels and ceramics obtain an antimicrobial function too.
In the food sector silver is used as an additive, eg for sweet coatings or decorating chocolates. In the field of medicine silver found usage a long time ago as a therapeutic agent in wound care or on medico-technical plastics.
Did you know that space suits are metallised with silver?