<prompt> All cause meningitis in the elderly except -HSV2PneumococciGram negative bacteriaListeria  <response>: Ans. is a i.e., HSV2 Causes of meningitis in elderly .Pneumococci most common . Gram negative bacilli . Staphylococcus aureus . Meningiococci 2nd most common . Listeria monocytogenes . Streptococcus . H. influenzae . M. tuberculosis 