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: Social & Preventive Medicine
Trench fever is caused by which of the following organisms? 
Select and explain. 
A. Rickettssia prowazeki, B. Borrelia recurrentis, C. Rickettssia quintana, D. Tunga penetrans
C: Rickettssia quintana
Answer: C: Rickettssia quintana 
Explanation: Frequently asked Rickettssia quintana - Trench fever Rickettssia prowazeki - Epidemic typhus Borrelia recurrentis - Relapsing fever Ref: Park's textbook of Preventive and Social Medicine, 21stedition, page-718