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Updated: Feb 3, 2026

A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
Published on: June 15, 2018
Immediate impact of healthcare-facility-onset Clostridium difficile laboratory-identified events reporting
Carlos E Figueroa Castro1, Louis Palen2, Carrie Johnson3
11Division of Infectious Diseases,Department of Medicine,Medical College of Wisconsin,Milwaukee,Wisconsin.
Abstract:
In 2018, the Clostridium difficile LabID event methodology changed so that hospitals doing 2-step tests, nucleic acid amplification test (NAAT) plus enzyme immunofluorescence assay (EIA), had their adjustment modified to EIA-based tests, and only positive final tests (eg, EIA) were counted in the numerator. We report the immediate impact of this methodological change at 3 Milwaukee hospitals.
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