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
[{'content': 'Mite is a vector for - \nSelect and explain. \nA. R.typhi, B. R.prowazeki, C. R.rickettsii, D. R.tsutsugamushi', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Mite transmits: Rickettsial Pox and Scrub Typhus\nAgent for Rickettsial Pox: R.akari\nAgent for Scrub Typhus: Orientia tsutsugamushi (old name- R. tsutsugamushi)', 'role': 'assistant'}]