is a serious, sometimes fatal condition.
People often recover fully from the illness within a couple of weeks, but
others, especially children and older people, may have permanent problems such
seizures, memory loss, personality changes, or brain
The chance of dying from encephalitis or having permanent
problems after recovery depends on what caused the encephalitis, how severe the
illness is, how old the person is, and how quickly the illness develops.
In general, young children, older adults, and people who have
impaired immune systems are at the greatest risk of
serious illness, permanent neurological problems (such as seizures, memory
loss, personality changes, or
intellectual disability), or death as a result of
Centers for Disease Control and Prevention (2005). Information on arboviral encephalitides. Available online: http://www.cdc.gov/ncidod/dvbid/arbor/arbdet.htm.
Jubelt B (2010). Viral infections and postviral syndromes. In LP Rowland, TA Pedley, eds., Merritt's Neurology, 12th ed., pp. 156–185. Philadelphia: Lippincott Williams and Wilkins.
October 26, 2011
E. Gregory Thompson, MD - Internal Medicine
& W. David Colby IV, MSc, MD, FRCPC - Infectious Disease
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