What type of microbe causes meningitis?

Causes of meningitis. The agents causing meningitis are bacteria such as meningococcus viruses such as herpes virus fungi = such as crypptococcus spirochetes.
Age related. Many organisms cause meningitis, the incidence of infection varies with age. Most commonly in adults, pneumococcus, meningiococcus, haemophilus influenzae, listeria monoctyogenes, staphlococcus and streptococcus; in the infant and child, h. Influenzae, in the neonate, e.Coli and group b streptococcus. Infections following neurosurgical procedures are typically due to staph or strep.