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Updated: May 9, 2026

A Protein Microarray Assay for Serological Determination of Antigen-specific Antibody Responses Following Clostridium difficile Infection
Published on: June 15, 2018
Viral co-infections are common and are associated with higher bacterial burden in children with clostridium difficile
Rana E El Feghaly1, Jennifer L Stauber, Phillip I Tarr
1Departments of Pediatrics, Washington University School of Medicine, St Louis, MO.
Insights
Clostridium difficile infections (CDI) in children are rising. Viral co-infections in children with CDI were linked to higher bacterial loads but similar symptoms, suggesting a complex interplay requiring further study.
Area of Science:
- Pediatric Infectious Diseases
- Microbiology
- Gastroenterology
Background:
- Clostridium difficile infections (CDI) represent a growing concern in pediatric populations.
- Understanding factors influencing CDI severity in children is crucial for effective management.
Purpose of the Study:
- To investigate the prevalence and impact of viral co-infections in children diagnosed with Clostridium difficile infection.
- To compare clinical presentation and C. difficile burden between children with and without viral co-infections.
Main Methods:
- A cohort of 62 children with diarrhea and confirmed C. difficile infection was studied.
- Polymerase chain reaction (PCR) assays were used to detect viral gastroenteritis agents.
- Bacterial burden of C. difficile was quantified.
Main Results:
- Twenty-four percent (15/62) of children with CDI had a concurrent viral co-infection.
- Children with viral co-infections were younger and exhibited a significantly higher C. difficile bacterial burden (median difference = 565,957 cfu/mL; P = 0.011).
- Clinical symptoms were indistinguishable between groups with and without viral co-infections.
Conclusions:
- Viral co-infections are present in a notable proportion of pediatric C. difficile infections.
- The increased bacterial burden associated with viral co-infections in children warrants further investigation into their role in CDI pathogenesis.
- Clinical presentation alone does not differentiate pediatric CDI cases with viral co-infections.
Abstract:
Clostridium difficile infections in children are increasing. In this cohort study, we enrolled 62 children with diarrhea and C difficile. We performed polymerase chain reaction assays to detect viral agents of gastroenteritis and quantify C difficile burden. Fifteen (24%) children diagnosed as having C difficile infection had a concomitant viral co-infection. These patients tended to be younger and had a higher C difficile bacterial burden than children with no viral co-infections (median difference = 565,957 cfu/mL; P = 0.011), but were clinically indistinguishable. The contribution of viral co-infection to C difficile disease in children warrants future investigation.
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