Antibiotic exposure in the 2 month period preceding a diagnosis of CDI in patients.

<p>Antibiotic exposure in the 2 month period preceding a diagnosis of CDI in patients.</p

Dendrogram showing PFGE types and their correlations with RTs and STs.

<p>Numbers on the branches represent PFGE types. ID = strain identity; RT = ribotype; ST = sequence type. The scale represents the percentage level of similarity.</p