Epidemiology of Bacteremia at Two Tertiary ICUs in Switzerland

Inclusion Criteria: Patient has a positive blood culture with a pathogenic organism Patient is critically ill at the time the blood culture was collected as defined by the following: 1. was treated at the ICU/IMC at the time of blood culture collection; 2. or has been admitted to ICU/IMC in the 48 hours after blood culture collection Exclusion Criteria: 1. Patient has a single positive blood culture with a common contaminant organism: * coagulase negative staphylococci; * Bacillus spp.; * Corynebacterium spp.; * Propionibacterium spp.; * Aerococcus spp.; * Micrococcus spp. 2. Explicit documentation that the patient does not want to participate in any study