what is the portal of entry for meningits
Meningitis is inflammation of the protective membranes covering the brain and spinal cord known collectively as the meninges. The inflammation may be caused by infection with viruses, bacteria, or other micro organisms, and less commonly by certain drugs. Meningitis can be life-threatening because of the inflammation's proximity to the brain and spinal cord; therefore the condition is classified as amedical emergency. Or to put it simply Meningitis is an infection of certain membranes and tissues of the nervous system. Those are called meninges. Their function is to protect the central nervous system. Most often, this infection is caused by micro organisms, viruses, bacteria, fungi or parasites. The most common cause of meningitis are viruses, followed by bacteria. Meningitis is a life-threatening condition. It affects all age groups.