Saveria Dodaro

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1. Introduction Meningitis is an inflammation of the meninges, the protective membranes covering the brain and spinal cord. It can be caused by different pathogens, including bacteria, viruses and fungi, the most common including Neisseria meningitidis, enteroviruses and Cryptococcus neoformans [1–3]. Bacterial meningitis is also frequently caused by streptococci like S. pneumoniae and S. agalactiae.