Prevalence and location of Cronobacter species and Enterobacteriacea in households
Chan, Monica Yue-Kay
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Cronobacter (E. sakazakii) are a genus of bacteria known to cause rare and life-threatening illness in infants. Recent studies suggest Cronobacter species infection may be more common than previously thought. Cronobacter reservoirs are unknown, but isolates have been recovered from foods, natural environments, and human-made environments. The purpose of this study was to: 1) determine prevalence of Cronobacter in the home environment, 2) determine the locations where Cronobacter are likely to reside, and 3) to determine the prevalence and distribution of Enterobacteriaceae as an indicator of conditions favorable for Cronobacter growth. Cronobacter were found in all home types (78.5%); isolated from 24 out of 30 locations sampled, frequently found on floors and walkways; Enterobacteriaceae were found in all homes, all locations, and shared location frequency with Cronobacter isolation. Cronobacter are rare, but the presence of Cronobacter in the home still presents a risk and is a concern for susceptible populations.