The word meningitis means swelling of the meninges. The meninges are protective membranes covering the brain and spinal cord.
There are several different types of meningitis and they vary in severity.
Although meningitis can be life threatening due to its proximity to the brain and spinal cord, it depends on the causative factor as to how dangerous it is. You may have already suffered from meningitis and not known about it.
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