IOWA CITY — University of Iowa Hospitals and Clinics initiated emergency protocols on Tuesday after an individual was admitted to the hospital with an unknown infections disease.At least, that’s the scenario hospital officials played out Tuesday morning in a first-ever emergency drill conducted at the Iowa City Municipal Airport to prepare staff in the event of a transport of a patient with an unknown infectious disease to their facilities.In this case, the disease was assumed to be incredibly contagious, such as the Ebola or Nipah virus.