Infectious diseases are inherently complex for disposal, especially in outpatient conditions when there is a lack of information or ignorance of a person who has an increased body temperature. The emergency medical service in its work finds a variety of situations, and therefore persons with infectious diseases. It is essential that team members know how to protect themselves and react in a timely manner so they do not transmit the disease. Although intervention with high body temperature are not that often that does not mean that there is no need for further education. Education is needed for both healthcare professionals and the entire population on the behavior and procedures of suspected contagious blest. The spectrum of infectious diseases is wide from benign to life-threatening ones. The emergency department has a major role to play in dealing with conditions with elevated body temperature such as timely response and proper diagnosis even though most of the time staff do not have enough equipment. Emergency workers have extremely high exposure to a number of infectious diseases however emergency medicine as a branch of medicine has reached new levels in the realm of infectious diseases. Manuals, guidelines and instructions from both foreign literature and Croatian help to properly and safely dispose of infectious diseases in this unique setting.