<prompt> Most common cause of meningitis in children between 6 months to 2 years of age is:PneumococcusStaphylococcusH influenzaE.coli  <response>: 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 