The bacteria is present in to the bladder,urethra and kidney. When the bacteria gets connection with the urine, it multiply within it and accross its rejection with urine out of body, it contaminates the urinary tract and causes what it's named the urinary tract infectio(UTI) and symptomised by an urge to urinate as well as a sensation of burning from the urination and subsequently with intermittent passing small burned amounts of urine.