Related Experiment Video
Updated: Jul 13, 2026

08:20
Superior Auto-Identification of Trypanosome Parasites by Using a Hybrid Deep-Learning Model
Published on: October 27, 2023
[Common diseases after travel in tropical countries]
1Service des maladies infectieuses et tropicales, groupe hospitalier Pitié-Salpêtrière, université Pierre et Marie Curie, 75651 Paris 13. eric.caumes@psl.aphp.fr
La Revue Du Praticien
|July 19, 2007
Summary
Most travelers returning home ill have common, not exotic, infections affecting the digestive, respiratory, or skin systems. However, some exotic diseases are serious and preventable through travel health precautions.
Area of Science:
- Travel medicine
- Infectious diseases
- Public health
Context:
- Approximately 10% of international travelers become ill after returning home.
- Diagnosed illnesses in returning travelers are frequently of cosmopolitan origin, not exotic.
- Commonly affected systems include the digestive tract, respiratory tract, and skin.
Purpose:
- To analyze the origin and nature of diseases diagnosed in returning travelers.
- To emphasize the importance of considering both common and exotic diseases in ill travelers.
- To highlight the potential severity and transmissibility of certain travel-related illnesses.
Summary:
- The majority of illnesses in returning travelers are common infections.
- Exotic diseases, though less frequent, can be severe and pose public health risks.
- Common travel-related illnesses include malaria, arthropod-borne viral diseases, viral hepatitis A and B, typhoid fever, and intestinal infections.
Impact:
- Travel history is crucial for accurate diagnosis in ill patients.
- Understanding disease prevalence guides appropriate diagnostic and preventive strategies.
- Effective prevention includes vaccinations, chemoprophylaxis, hygiene, and avoiding arthropod exposure.
Related Concept Videos
American Trypanosomiasis
Chagas disease, or American trypanosomiasis, is a vector-borne parasitic infection caused by Trypanosoma cruzi, a flagellated protozoan (kinetoplastid) of the family Trypanosomatidae. The disease is endemic in Latin America, although cases are increasingly reported worldwide due to human migration. Transmission most commonly occurs when feces of infected triatomine bugs contaminate bite wounds or mucosal surfaces; additional routes include congenital, transfusional, transplant-related, and oral...
Drugs Affecting GI Tract Motility: Antimicrobials as Antidiarrheal Agents
Acute diarrhea, a common gastrointestinal disturbance, is characterized by the rapid evacuation of fluid stools, leading to an excessive weight in fluid. This condition typically arises from disorders affecting intestinal water and electrolyte transport. It can be triggered by an increased osmotic load within the intestine, excessive secretion of electrolytes and water, mucosal exudation of protein and fluid, or altered intestinal motility. The primary risks of acute diarrhea are dehydration...
Giardiasis
Giardiasis is a globally prevalent intestinal infection caused by the protozoan parasite Giardia duodenalis (also known as G. lamblia or G. intestinalis). This flagellated protozoan is the most frequently identified intestinal parasite in the United States and worldwide. Transmission primarily occurs via the fecal-oral route, with infection arising from ingestion of water or food contaminated with cysts. Individuals in low-resource settings, international travelers, outdoor enthusiasts, daycare...
Pulmonary Tuberculosis I
Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Fungal Phylum Microsporidia
Microsporidia are a group of obligate intracellular fungi that were initially classified as protists but were later reclassified based on phylogenetic, molecular, and structural evidence linking them to the Chytridiomycota. These unicellular, non-motile organisms are highly specialized parasites that infect a wide range of animal hosts, including humans. They have evolved extensive genomic and metabolic reductions, making them highly dependent on their hosts for survival.Morphology and Genomic...
Amebiasis
Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...

