<prompt> Which of the following is the Least Common complication of measles?DiarrhoeaPneumoniaOtitis mediaSSPE  <response>: The most serious complication is meningoencephalitis. A rare late complication in subacute sclerosing panencephalitis. REF:ANANTHANARAYAN AND PANIKERS TEXTBOOK OF MICROBIOLOGY 9TH EDITION PAGE NO:512,513 