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Risk Factors for Recurrent Clostridium difficile Infection
| Advanced age |
| Antibiotics use for non-C. difficile after CDI diagnosis |
| Gastric acid suppression |
| Hypervirulent strain, NAP1/BI/027 |
| Severe underlying disease and/or renal insufficiency |
| History of previous CDI |
| Previous CDI severity |
| Prolonged hospital stays |
| Lack of adaptive immune responses to toxins A and B |
CDI, C. difficile infection.
