Study of E. Coli Isolates From Recurrent Urinary Tract Infections

Urine (and blood) samples will be collected following SOC procedures for diagnostic purposes, at each visit of the patient (initial visit, follow up study or visit for new episode. For patients needing a catheter, urine sample will be collected before the insertion of the catheter, and before renewal of the catheter. Catheter tips will also be collected and sonicated to isolate bacteria. E. coli will be stored for analysis.