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Clostridium infections

Compared within 1 study that had both: 24 people with Clostridium infections and 24 healthy people. 69 microbes are less common in people with Clostridium infections, and 8 more common.

A difference is an association: it doesn’t mean these microbes cause, prevent or treat Clostridium infections.

Phylum

Searching opens both lists and shows only matching rows.

Less common in Clostridium infections · 69

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Bacteroides fragilis in 1 study Healthy 100% Clostridium infections 0%
  2. Fusicatenibacter saccharivorans in 1 study Healthy 100% Clostridium infections 0%
  3. Parabacteroides merdae in 1 study Healthy 100% Clostridium infections 0%
  4. Roseburia intestinalis in 1 study Healthy 100% Clostridium infections 0%
  5. Bacteroides uniformis in 1 study Healthy 100% Clostridium infections 4.2%

More common in Clostridium infections · 8

Strongest first, then the biggest gap · Each figure is 10 people Strongest first · Each figure is 10 people
  1. Clostridioides difficile in 1 study Healthy 0% Clostridium infections 100%
  2. Klebsiella pneumoniae in 1 study Healthy 0% Clostridium infections 71%
  3. Lacticaseibacillus rhamnosus in 1 study Healthy 0% Clostridium infections 67%
  4. Enterococcus faecium in 1 study Healthy 4.2% Clostridium infections 79%
  5. Enterococcus avium in 1 study Healthy 46% Clostridium infections 100%

Where these numbers come from

Studies
Only GMrepo projects that had people with the condition and healthy people, 10 or more of each. Numbers come from those studies, never from pooling.Sampled in France.
How common
The share of people whose sample has any of it, in the people with the condition and in the healthy people of those same studies. Tested within studies (Cochran–Mantel–Haenszel, corrected for testing many microbes); a difference counts when it is clear and meaningful (Cohen’s h of 0.2 or more).
Strength word
Counted by code from how many studies point the same way: Seen again and again (3 or more, none clearly the other way), Seen more than once (2, the majority), Seen once (1, listed last). Where studies disagree, a row isn’t listed.
Each study
Tap a row for every study’s own numbers, and for how much carriers have.
Analysis
Our analysis of GMrepo data. GMrepo on Data sources · Read the rules

Also compared · 116 microbes

Compared within studies that had both, but not listed above.

No meaningful difference · 116
PubMed · human studies and reviews first

Recent research

All research on it
  1. Systematic review South Dakota medicine · 2026
    Clostridium innocuum Bacteremia: Case Report and Systematic Review.
    PubMed ↗
  2. Microbial pathogenesis · 2026
    Vancomycin-resistant gut commensal Clostridium innocuum emerges as a pathobiont through synergy with toxigenic Clostridioides difficile.
    PubMed ↗
  3. Review Toxins · 2025
    The Ambivalent Nature of Bacteroides fragilis and the Interaction with Clostridioides difficile: Benefits and Disadvantages for the Human Host.
    PubMed ↗
  4. Review Anaerobe · 2023
    Bacteremia due to Clostridium innocuum: Analysis of four cases and literature review.
    PubMed ↗
  5. Observational Clinical infectious diseases · 2021
    Microbiota-associated Risk Factors for Clostridioides difficile Acquisition in Hospitalized Patients: A Prospective, Multicentric Study.
    PubMed ↗

Source: PubMed, U.S. National Library of Medicine · 93 linked papers, last 10 years