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
Dengue hemorrhagic fever is caused by - 
Select and explain. 
A. 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
C: Reinfection with different serotype of dengue virus
Answer: C: Reinfection with different serotype of dengue virus 
Explanation: 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