What is the range of diseases caused by the agent? What organs are affected? What symptoms might the patient have? What is the disease course? Will the patient recover? Are there any long-term sequelae of infection? Latency?
Is there an antitoxin? Specific antibiotics or a class of antibiotics that are used? Is there a vaccine available? Is treatment curative? Does infection make you immune? Is this immunity life-long? Is there drug resistance? Are there novel treatments?