This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Virology, Subject name: Microbiology
[{'content': 'Dengue hemorrhagic fever is caused by - \nSelect and explain. \nA. Type I dengue virus, B. Reinfection with same serotype of dengue virus, C. Reinfection with different serotype of dengue virus, D. Infection in an immunocompromised host', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hypersensitivity or enhancement response to sequintial dengue virus infection in person sensitised by prior exposure to other serotupes of the viru REF:\\p> ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.523', 'role': 'assistant'}]