This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Microbiology
Which of the following infection is transmitted through rat urine? 
Select and explain. 
A. Listeria, B. Legionella, C. Mycoplasma, D. Leptospira
D: Leptospira
Answer: D: Leptospira 
Explanation: Humans are infected when the leptospires in water contaminated by the urine of carrier animals (rats, dogs, cattle, and pigs), enters the body through cuts or abrasions on the skin / through intact mucosa of mouth, nose or conjunctiva. The incubation period is 2-20 days. Ref: Current Medical Diagnosis and Treatment 2012, Chapter 34 ; Textbook of Microbiology By Ananthanarayan and Panicker, 8th Edition, Pages 381-383