Sudden Deafness Onset in Prevalent Seasons of Rubella

Abstract

Two hundred cases of sudden deafness confirmed the date of onset were investigated. In 98 cases out of them, sudden deafness attacked during prevalent seasons of rubella in Osaka; 1976-1977 and 1981-1982. Forty-two patients out of them with higher antibody titer against rubella virus than 16 showed profound hearing loss. Restoration of hearing in these cases was significantly poor in compared with the other patients group.