WN

Synset:: Bosin's_disease, Dawson's_encephalitis, SSPE, Van_Bogaert_encephalitis, inclusion_body_encephalitis, sclerosing_leukoencephalitis, subacute_inclusion_body_encephalitis, subacute_sclerosing_leukoencephalitis, subacute_sclerosing_panencephalitis
Gloss:: a rare chronic progressive encephalitis caused by the measles virus and occurring primarily in children and young adults; death usually occurs within three years; characterized by primary measles infection before the age of two years