<prompt> Most common cause of death in children 5 yrs age -Respiratory infectionDiarrhoeaPrematurityAccidents  <response>: Ans. is a i.e., Respiratory infection During 2006, about 17 of underfive moality worldwide was due to diarrheal disease, about 19 due to acute respiratory infection, 4 due to measles and 8 due to malaria. 