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
Most common cause of meningitis in children between 6 months to 2 years of age is: 
Select and explain. 
A. Pneumococcus, B. Staphylococcus, C. H influenza, D. E.coli
C: H influenza
Answer: C: H influenza 
Explanation: Most common cause of meningitis from 3months to 2-3 years is due to Hemophilus Influenza, Streptococcus Pneumonia, Meningococci. Ref: Kliegman, Behrman, Jenson, Stanton (2008), Chapter 602, "Central Nervous System Infections", In the book, "NELSON TEXTBOOK OF PEDIATRICS", Volume 2, 18th Edition, New Delhi, Page 2514