thesis, but had normal CSF albumin and normal plasma proteins. Similar changes often occur in multiple sclerosis and other chronic and subacute inflammatory diseases of the nervous system but are usually of lesser degree than those observed in our patient.16 Elevations of CSF gamma globulin to levels higher than 30% of the total protein are very unusual in neurological disorders other than suba...

As measles virus causes subacute sclerosing panencephalitis and measles inclusion body encephalitis due to its ability to establish human persistent infection, without symptoms for the time between the acute infection and the onset of clinical symptoms, it has been the paradigm for a long term persistent as opposed to chronic infection by an RNA virus. We have reviewed the mechanisms of persist...