Abstract
Travel to Tropical Countries: A Review of Travel-Related Infectious Diseases
Highlights
Fever or other symptoms in a patient returning from travel abroad have a broad differential diagnosis
There is a wide spectrum of infectious diseases that a traveler may be exposed to on a trip to a tropical country
The majority of travelers fail to utilize the services of specialized travel clinics
Summary
Fever or other symptoms in a patient returning from travel abroad have a broad differential diagnosis. A peripheral blood smear was ordered, blood cultures were obtained, and the patient was discharged home She returned with similar symptoms a few days later. This time her leucocyte count was down to 2.9×109/l, hematocrit was 29.8, platelet count was 120,000/μl, peripheral smear was negative for parasites, alanine transaminase-1986 u/l, aspartate transaminase–1167 u/l and blood cultures were growing gram-negative rods. Serologies were negative for dengue fever, hepatitis A, B, C and HIV Review of her medical records indicated that she had received the injectable typhoid vaccine prior to her previous trip to Bangladesh two years back. Since that trip had been uneventful for any infectious disease, she had decided not to take another typhoid vaccine prior to her most recent travel This case highlights many of the issues associated with travel to tropical countries. The differential diagnosis in this case included diseases such as viral infections hepatitis A and dengue fever, malaria, leishmaniasis and other insect-borne illnesses, and cholera and other food and water borne diseases
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