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 is a scrub typhus vector? 
Select and explain. 
A. Trombiculid mite, B. Louse, C. Tick, D. Reduviid bug
A: Trombiculid mite
Answer: A: Trombiculid mite 
Explanation: Scrub typhus Infection is seen in the Far East, especially Myanmar (Burma), India, Sri Lanka, New Guinea, Japan, and Taiwan. The larval stage (chigger) of various trombiculid mites serves both as a reservoir, through transovarial transmission, and as a vector for infecting humans and rodents. Ref: Brooks G.F., Carroll K.C., Butel J.S., Morse S.A., Mietzneron T.A. (2010). Chapter 26. Rickettsia & Ehrlichia. In G.F. Brooks, K.C. Carroll, J.S. Butel, S.A. Morse, T.A. Mietzneron (Eds), Jawetz, Melnick, & Adelberg's Medical Microbiology, 25e.