Clostridioides difficile Infection (CDI) Surveillance
C. difficile is a bacteria that causes diarrhea, and occasionally, severe infection, hospitalization, and death. The purpose of this surveillance in Monroe County is to monitor trends in C. difficile incidence and strain type in order to target prevention efforts.
Goals and Objectives
- Determine the population-based incidence of community- and healthcare-associated CDI among participating EIP sites.
- Characterize C. difficile strains that are responsible for CDI in the population under surveillance with a focus on strains from community-associated cases.
- Describe the epidemiology of community- and healthcare-associated CDI and generate hypotheses for future research activities using EIP CDI surveillance infrastructure.
The incidence of C. difficile in Monroe County has decreased since 2010, specifically in nursing home- and hospital-onset cases. This may be due in part to local efforts to reduce C. difficile infections in these healthcare settings. A change in the strain type of C. difficile over time may also account for the decreases.
Definitions on tracking, according to the CDC:
Hospital-onset (HO): If positive stool specimen collected in a hospital setting more than 3 days after admission
Nursing home-onset (NHO): If positive stool specimen was collected at any time during the stay of a nursing home resident.
Community-associated (CA): If positive stool specimen was collected in an outpatient setting or within 3 calendar days in a person with no documented overnight stay in a healthcare facility during the 12 weeks before the specimen was collected.
Community-onset healthcare facility-associated (CO-HCFA): If the positive stool specimen was collected in an outpatient setting or within 3 days after hospital admission in a person with documented overnight stay in a healthcare facility (i.e., history of hospitalization or long-term care facility residency in the 12 weeks before stool specimen collection)
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