Question: A patient was diagnosed with a UTI caused by E. coli. Discuss the immunological course of events during the infection, development of the disease, an recovery of the patient.
Include the following information.

1. The means by which specific clones are formed and activated.
2. The role of T-cells and B-cells in the process.
3. The classes of innunoglobulins active at each step of the immunoactivation process.
4. The way immunolgical memory is generated.