Carbapenems are a class of powerful antibiotics considered the last line of defense against bacteria resistant to other antibiotics (Multi-Drug Resistant Organisms – MDROs). These dashboards summarize reports of carbapenemase-producing organisms (CPO) and Candida auris. Surveillance began in 2012 for CPO and in 2017 for C. auris. Targeted MDRO isolates are counted from any person diagnosed in-state or from Washington residents diagnosed out-of-state and reported to the department.
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What's Here
The data for these dashboards comes from surveillance isolates submitted and tested through the Washington State Public Health Laboratory, as well as isolate reports from other states made to the Healthcare Associated Infections Program. This dashboard displays data reported since surveillance for the respective MDROs began and is updated quarterly. Repeat isolates submitted from a single person are deduplicated and counted according to the national case definitions (described below).
How are cases counted?
Cases are counted using the 2023 case definitions( Carbapenemase-Producing Organisms (CPO)| CDC and Candida auris 2023 Case Definition | CDC).
CPO: A clinical isolate is counted once for each genus/species/carbapenemase profile from each patient. Isolates producing more than one carbapenemase are counted once for each novel carbapenemase. A positive carbapenemase surveillance screen result is counted only if the patient has not had a clinical positive isolate prior to the screen, if the patient then has a clinical isolate after a screening detection, this will also be counted.
C. auris: A clinical isolate is counted once for each patient. A positive surveillance screen result is counted only if the patient has not had a clinical positive isolate prior to the screen, if the patient then has a clinical isolate after a screening detection, this will also be counted.
Please contact the HAI program at 206-418-5500 for any questions or comments about this report, or for information on becoming a sentinel lab in Washington State.
Additional Resources
Carbapenem-resistant Enterobacteriaceae (CRE)
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For information or questions related to the Washington Tracking Network, email DOH.WTN@doh.wa.gov.
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