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Some people enjoy evaluating new technologies and sometimes it is part of their job description and they are overwhelmed by all the possibilities of products to review. Often the first person to evaluate a new technology or solution for an infection control-related problem is the infection preventionist (IP).

In the continual challenge faced by infection preventionists to drive down healthcare-acquired infection (HAI) rates, the impact of the environment as a reservoir of pathogens is becoming increasingly clear. It has been demonstrated that not only do pathogens shed by prior occupants of a room remain viable for prolonged periods, but that these present a significantly increased risk of infection to subsequent room occupants. While routine cleaning can reduce the microbiological burden in a patient room it does not always eliminate the presence of bacteria and hence risk of infection. Even where very stringent cleaning regimens are in place, it is a constant challenge to maintain high-quality cleaning in a room.

Modern medicine has advanced to the point that it seems almost unconscionable that certain preventable or treatable causes of illness and death still pose an enormous threat. Thomas Frieden, MD, director of the Centers of Disease Control and Prevention (CDC), has named six public health problems that he feels can be reduced. Healthcare-acquired infection (HAI) is one of the priorities identified by the CDC, along with smoking, AIDS, obesity/nutrition, teen pregnancy and auto injuries. There is no magic bullet that will stop hospital infections dead in their tracks, but it is a "winnable battle" as Frieden put it.

Although it is one of the most potent antimicrobials available, silver, in particular ionic silver, is safe. A naturally occurring element, silver has long been used as an antimicrobial; as early as 79 AD in Egypt it was used in long-term water storage, and in the 900s, Chinese emperors would only use silver eating utensils "to prevent poisoning."