What is prevalence of Klebsiellae in nosocomial infections in the US?

Updated: Jun 10, 2019
  • Author: Shahab Qureshi, MD, FACP; Chief Editor: Michael Stuart Bronze, MD  more...
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Klebsiellae are also important in nosocomial infections among adult and pediatric populations. Klebsiellae account for approximately 8% of all hospital-acquired infections. In the United States, depending on the study reviewed, they comprise 3-7% of all nosocomial bacterial infections, placing them among the top 8 pathogens in hospitals. Klebsiellae cause as many as 14% of cases of primary bacteremia, second only to Escherichia coli as a cause of gram-negative sepsis. They may affect any body site, but respiratory infections and UTIs predominate.

Of 145 reported epidemic outbreaks of nosocomial bacteremias during 1983-1991, 13 were attributed to Klebsiella organisms. The US Centers for Disease Control and Prevention report that Klebsiella strains were responsible for 3% of all pathogenic epidemic outbreaks.

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