<prompt> SSPE is a rare complication of ?MumpsMeaslesRubellaInfluenza  <response>: Ans. is b i.e., Measles Subacute sclerosing panencephalitis SSPE is a rare complication of measles, which develops many years after the initial infection - PSM The most common complications are : measles- associated diarrhea, pneumonia and otitis media -PSM 