What is the incidence of Serratia infection in the US?

Updated: Mar 01, 2018
  • Author: Antonette B Climaco, MD; Chief Editor: Michael Stuart Bronze, MD  more...
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Serratia species are responsible for 1.4% of nosocomial bloodstream infections.


The yearly incidence of Serratia bacteremia is 1.03 per 100,000 population, with 47% of episodes having their onset in the community. [17]

The prevalence of Serratia species as a cause of nosocomial infections is diminishing, but these bacteria are still able to cause hospital outbreaks, especially in intensive care units.

In the University Hospital of Heraklion, Crete, S marcescens was isolated in 65 (84.4%) of 77 patients with Serratia infection; the remaining 12 patients had infection with a nonmarcescens Serratia species. The most frequently observed infections were respiratory tract infection (32.5%) and keratitis/endophthalmitis (20.8%). [18]

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