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Table 3 Exposures that place patients “at-risk” patients for carriage of CRE

From: Infection prevention and control measures and tools for the prevention of entry of carbapenem-resistant Enterobacteriaceae into healthcare settings: guidance from the European Centre for Disease Prevention and Control

Any patient who has one of following risk factors is “at-risk” for carriage of CRE:  
 a. A history of an overnight stay in a healthcare setting in the last 12 months
 b. Has been either dialysis-dependent or received cancer chemotherapy in the last 12 months
 c. Known history of previous carriage of CRE in the last 12 monthsa
 d. Has been previously epidemiologically linked to a patient known to be a carrier of CREb
  1. a Microbiological information is obtained from the patient or is documented in patient’s medical records. If duration from previous microbiological confirmation is longer than 12 months, the decision regarding the risk lies with the admitting physician
  2. b e.g. healthcare or household contacts of patients with known history of carriage of CRE