Characterization of Adult and Pediatric Healthcare-Associated and Community-Associated Clostridioides difficile Infections, Canada, 2015–2022

Characterization of Adult and Pediatric Healthcare-Associated and Community-Associated Clostridioides difficile Infections, Canada, 2015–2022

We investigated epidemiologic and molecular characteristics of healthcare-associated (HA) and community-associated (CA) Clostridioides difficile infection (CDI) among adult and pediatric patients in Canadian Nosocomial Infection Surveillance Program hospitals during 2015–2022. Of 30,824 reported CD...

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Main Authors: Tim Du, Anada Silva, Kelly B. Choi, Cassandra Lybeck, George R. Golding, Romeo Hizon, Sean Ahmed, Nicole Anderson, Suzanne Bakai-Anderson, Blanda Chow, Ian Davis, Meghan Engbretson, Gerald A. Evans, Charles Frenette, Matthew Garrod, Jennie Johnstone, Kevin C. Katz, Pamela Kibsey, Joanne M. Langley, Jenine Leal, Jenna Leamon, Bonita E. Lee, Diane Lee, Yves Longtin, Dominik Mertz, Jessica Minion, Ericka Oates, Michelle Science, Jocelyn A. Srigley, Kathryn N. Suh, Nisha Thampi, Reena Titoria, Kristen Versluys, Alice Wong, Jeannette L. Comeau, Susy S. Hota
Format: Article
Language:English
Published: Centers for Disease Control and Prevention 2025-06-01
Series:Emerging Infectious Diseases
Subjects:
Clostridioides difficile
bacteria
enteric infections
adult CDI
antimicrobial resistance
Clostridioides difficile infection
Online Access:https://wwwnc.cdc.gov/eid/article/31/6/25-0182_article
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Summary:We investigated epidemiologic and molecular characteristics of healthcare-associated (HA) and community-associated (CA) Clostridioides difficile infection (CDI) among adult and pediatric patients in Canadian Nosocomial Infection Surveillance Program hospitals during 2015–2022. Of 30,824 reported CDI cases, 94.9% (29,250/30,824) were among adult (73.2% HA; 26.8% CA) and 5.1% (1,574/30,824) pediatric (77.6% HA; 22.4% CA) patients. During the study period, adult HA CDI rates decreased by 19.9% and CA CDI rates remained stable; pediatric HA CDI rates decreased by 29.6% and CA CDI decreased by 58.3%. Ribotype (RT) 106 was most common among both groups and replaced RT027 as the predominant strain type. RT027 was most associated with adult patients, HA acquisition, severe CDI, and severe outcomes. Moxifloxacin resistance was higher in adult than pediatric cases; clindamycin and rifampin resistance rates were similar between groups. Continued national surveillance is integral to understanding the epidemiology of adult and pediatric CDI in Canada and informing prevention efforts.
ISSN:1080-6040
1080-6059

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