Affects the Central Nervous System.

The CNS is protected from the outside better than the respiratory or digestive system, and has the protection of semi permeable membranes with no direct contact from the environment.

Possible routes for infections to the nervous system enter via the blood stream are:

From the nose, eyes

Anatomical defects

A general infection in the blood eg vireamia or septicaemia

Once the micro – organism has already invaded a different system, it is easier to enter the Central Nervous System, making multiple causative micro-organisms for meninigitis, thus making it important to understand the cause before medical treatment can be effective. Nursing of a meningitis patients however starts as soon as interaction with the patient starts.  


There are two main groups of meningitis


Causative agent

Infectious time




encephalomyo-carditis virus already in the system:


Mumps virus


Herpes virus

Depends on the causative agent



Meningococcal Meningitis


Neisseria meningitidis


E Coli

Streptococcus pneumonae

24 – 48 hours after effective antibiotic treatment has been started the person is no longer infectious



While N. Meningitidis is still found in nasal and throat secretions










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