All-cause meningitis in the elderly except -: (A) HSV2, (B) Pneumococci, (C) Gram negative bacteria, (D) Listeria
Answer is A. Causes of meningitis in elderly 

Pneumococci (most common)
Gram negative bacilli
Staphylococcus aureus
Meningiococci (2nd most common)
Listeria monocytogenes
Streptococcus
H. influenza
M. tuberculosis