Bush Fever

Immune System

{"ops":[{"insert":"Diagnosis and reasoning"},{"insert":"\n","attributes":{"header":1}},{"insert":"Infectious disease specialists often have to deal with diseases from other countries - particularly the tropics; this young man is a good case in point.\n\nReturning from India after a military training course, he has presented with fever and a rash; this is a potential diagnostic dilemma encompassing a wide range of diagnoses: malaria, typhoid, typhus, leptospirosis, and arbovirus infections - particularly dengue fever.\n\nHowever, the examination finding of an ulcer in the groin with a central crust and erythematous halo provides a potent diagnostic clue, as it is highly suggestive of the pathognomonic eschar of scrub typhus.\n\nWhile the clinical and laboratory features of scrub typhus are notoriously non-specific, the reactive Indirect Fluore"}]}

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