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
[{'content': 'A patient presented to you with fever, headache, rash and eschar. You suspect rickettsial disease. Which of the following is the LEAST likely disease in this case? \nSelect and explain. \nA. Indian tick typhus, B. Rickettsial pox, C. Scrub typhus, D. Endemic typhus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Rash is seen in 1) Epidemic typhus 2) Endemic typhus 3) Scrub typhus 4) Rocky Mountain spotted fever 5) Indian tick typhus Lymphadenopathy is seen in 1) Scrub typhus 2) Rickettsial pox Eschar is seen in 1) Scrub typhus 2) Rickettsialpox 3) Indian tick typhus Ref: Park, Edition 21, Page 274-276', 'role': 'assistant'}]