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: Pediatrics
In Sickel cell disease, aplastic crisis is due to 
Select and explain. 
A. Herpes infection, B. Measles infection, C. Parvo Virus B19 infection, D. Rubella infection
C: Parvo Virus B19 infection
Answer: C: Parvo Virus B19 infection 
Explanation: In Sickel cell disease, due to infection of red cell progenitors by ParvoVirus B19 infection aplastic crisis occurs.