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
The virus causes aplastic anemia in chronic hemolytic diseases is - 
Select and explain. 
A. Adenovirus, B. Hepatitis virus, C. EB virus, D. Parvo virus
D: Parvo virus
Answer: D: Parvo virus 
Explanation: parvovirus B19 induxes aplastic crisis in children with chronic hemolyyic anemia REF:ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.554