Fever in travellers returning from the tropics

Area of Science:

• Tropical Medicine
• Infectious Diseases
• Epidemiology

Background:

• Increased international travel and the spread of arbovirus vectors heighten the risk of tropical disease introduction.
• Recent outbreaks of Ebola and Crimea-Congo hemorrhagic fever underscore the importance of vigilance for highly contagious diseases.
• Emerging infectious diseases such as Middle East Respiratory Syndrome Coronavirus (MERS-CoV) pose significant public health threats.

Purpose of the Study:

• To emphasize the priority of isolating suspected cases of highly contagious and lethal tropical diseases.
• To highlight the importance of thorough patient assessment and medical history in diagnosing and excluding dangerous infections.
• To guide emergency physicians in differential diagnosis, considering both rare tropical diseases and common febrile illnesses.

Main Methods:

• Detailed patient assessment focusing on epidemiological factors: area of origin, travel history, and activities.
• Comprehensive medical history collection, including duration of stay in endemic regions and symptom onset.
• Systematic exclusion of prevalent diseases like malaria and consideration of other common causes of fever.

Main Results:

• A meticulous approach to medical history and epidemiological data aids in narrowing down potential diagnoses.
• Early identification and isolation of suspected cases are critical for preventing disease transmission.
• Differential diagnosis must balance the threat of rare, severe tropical diseases with the frequency of common febrile conditions.

Conclusions:

• Prompt isolation and thorough clinical evaluation are paramount in managing suspected cases of highly contagious tropical diseases.
• Epidemiological data and medical history are essential tools for diagnosis and exclusion of life-threatening infections.
• A balanced diagnostic approach, considering both exotic and common febrile illnesses, is necessary in emergency settings.