I Had Staphylococcus Aureus On Urine. After Several Treatment I

I had staphylococcus aureus on urine. After several treatment I went for a test again. No growth of staph was found in ma urine. And also Swarb test also: it showed profused growth of staphylococcus aureus? In utheral swab test # what the different of the staphy in urine and in URETH Swab