Subacute sclerosing panencephalitis is a late neurological complication associated with infection due to:: (A) Measles virus, (B) Mumps virus, (C) Rubella virus, (D) Parainfluenza virus
Answer is A. a. Measles virus(Ref: Nelson's 20/e p 1542-1547', Ghai 8/e p 213-214)Subacute sclerosing panencephalitis (SSPE) is a chronic complication of measles with a delayed onset & fatal outcome.