<prompt> SSPE is caused by -MumpsMeaslesRubellaVaricella  <response>: Ans. is b i.e., Measles o Complications of measles arei Respiratory ; Otitis media most common complication, pneumonia Giant cell or Hechts pneumonia, bronchitis, laryngitis, croup.ii CNS : These are most serious and include encephalitis, transverse myelitis and a rare complication SSPE Subacute sclerosing panencephalitisj.iii Gastrointestinal: Gastroentritis, hepatitis, appendicitis, diarrhea, ileocolitis, mesenteric adenitis.iv Others : Myocarditis, glomerulonephritis, thrombocytopenia. 