Most common cause of neonatal meningitis is:
G - GBS - number 1 cause
E - Ecoli - number 2 cause
L - Listeria - number 3 cause
If the child is 3-2 years age and not vaccinated - H. Influenza
If the child is 3 months - 2 years old - and vaccinated - Strep Pneumonae is the most common cause
More on Meningitis and USMLE Step 1 High Yield info - check out www.tutia.com. You can find study partners as well.
