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Updated: Jun 17, 2026

Passive Administration of Monoclonal Antibodies Against H. capsulatum and Others Fungal Pathogens
Published on: February 14, 2011
[Imported cases of histoplasmosis]
Laurent Nyffenegger1, Mohamed Abbas, Grégoire Gex
1Service des maladies infectieuses, HUG, Genève 14. laurent.nyffenegger@hcuge.ch
Abstract:
Histoplasmosis is a fungal infection that may be opportunistic in the context of HIV. Rare in Europe, it is always imported. The two variants of histoplasmosis are encountered in defined geographic areas: var. capsulatum in Americas, Africa and Asia; and var duboisii in Africa only. In immuno-competent patients, acute infection is often asymptomatic, or it may cause a pulmonary syndrome of variable severity. Among immuno-compromised patients, histoplasmosis is disseminated and life-threatening. Diagnosis is typically made by cultures. The treatment of the disseminated form must be started immediately with anti-fungal therapy and highly active anti-retroviral treatment. In a globalized world, one has to remember the importation of unusual exotic diseases.
Insights
Histoplasmosis is a fungal infection, often opportunistic in HIV patients. Prompt antifungal and antiretroviral treatment is crucial for disseminated, life-threatening cases, especially with global travel.
Area of Science:
- Mycology
- Infectious Diseases
- Epidemiology
Context:
- Histoplasmosis is a fungal infection with two variants, capsulatum and duboisii, found in specific global regions.
- It can be opportunistic in individuals with HIV and is rare but imported into Europe.
- In immunocompetent individuals, infection is often asymptomatic or causes mild pulmonary symptoms.
Purpose:
- To describe the epidemiology, clinical presentation, diagnosis, and treatment of histoplasmosis.
- To highlight the importance of considering imported fungal infections in a globalized world.
Summary:
- Histoplasmosis presents differently in immunocompetent versus immunocompromised individuals.
- Disseminated histoplasmosis in immunocompromised patients is life-threatening and requires immediate antifungal and highly active antiretroviral therapy.
- Diagnosis is primarily through cultures.
Impact:
- Emphasizes the need for awareness of exotic diseases in non-endemic areas, particularly for travelers and immunocompromised populations.
- Underscores the importance of prompt diagnosis and treatment for severe histoplasmosis cases.
- Highlights the role of globalization in the spread of infectious diseases.
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