Characterized by primary measles infection before the age of two years

• Death usually occurs within three years
• A rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and young adults

Wikipedia Word definitions in Wikipedia
SSPE may refer to: Subacute sclerosing panencephalitis - A rare disease of the brain caused by rubeola infection. Securitisation Special Purpose Entity - A common type of special purpose entity used to securitise loans or other receivables.