Outbreak of Salmonella infantis infection in a large animal veterinary teaching hospital.

摘要

An outbreak of S. infantis infection occurred among large animals, primarily horses, at the Colorado State University Veterinary Teaching Hospital in 1996. Factors that appeared to be key in control of this outbreak included providing biosecurity training sessions for hospital personnel, adopting a standard operating procedure manual for biosecurity procedures, installing additional handwashing sinks throughout the facility, painting the interior of the facility with a non-toxic readily cleanable paint, replacing the dirt flooring in 4 stalls with concrete flooring, and removing non-cleanable surfaces such as rubber stall mats, wooden hay storage bins, and open grain bins. It is concluded that prevention of nosocomial infection must be approachedin a multifaceted manner and care must be taken to search out covert sources of contamination, especially if standard intervention procedures do not prevent spread of the disease.