<prompt> Subacute sclerosing panencephalitis is a late neurological complication associated with infection due to:Measles virusMumps virusRubella virusParainfluenza virus  <response>: a. Measles virusRef: Nelsons 20e p 1542-1547, Ghai 8e p 213-214Subacute sclerosing panencephalitis SSPE is a chronic complication of measles with a delayed onset fatal outcome. 