During the Spanish-American War — which lasted a short 3 months, 3 weeks, and 1 day — between 2,061 and 2,500 American servicemen and nurses died of disease, far eclipsing the less than 400 who died from wounds sustained in battle. Of that total, over 1,500 of the men who died from illnesses became sick while still in the U.S., where they were training in camps located in southern states. (It was thought that training in the south would acclimat…