<prompt> An event that is caused by an error in vaccine preparation, handling, or administration is called as:Coincidental eventInjection reactionVaccine reactionProgramme error  <response>: d. Programme errorRef: IAP Guidebook on immunization 2013-14p 89Event caused by an error in vaccine preparation, handling, or administration is called a Programme error, e.g. deaths following measles vaccination due to toxic shock syndrome resulting from improper reconstitution storage of measles vaccine. 