HUMAN TRYPANOSOMIASIS CAUSED BY TRYPANOSOMA EVANSI IN INDIA: THE FIRST CASE REPORT

PRASHANT P. JOSHI Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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VIJAY R. SHEGOKAR Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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RAJARAM M. POWAR Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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STEPHANE HERDER Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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RAHUL KATTI Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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HARSHA R. SALKAR Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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VIBHAWARI S. DANI Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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ARADHANA BHARGAVA Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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JEAN JANNIN Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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PHILIPPE TRUC Department of Medicine and Department of Microbiology, Government Medical College, Nagpur, India; Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, Montpellier, France; Directorate of Health Services, Mumbay, India; Communicable Diseases Control, Prevention and Eradication, World Health Organization, Geneva, Switzerland

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We report an Indian farmer who had fluctuating trypanosome parasitemia associated with febrile episodes for five months. Morphologic examination of the parasites indicated the presence of large numbers of trypanosomes belonging to the species Trypanosoma evansi, which is normally a causative agent of animal trypanosomiasis known as surra. Basic clinical and biologic examinations are described, using several assays, including parasitologic, serologic, and molecular biologic tests, all of which confirmed the infecting species as T. evansi. Analysis of cerebrospinal fluid indicated no invasion of the central nervous system (CNS) by trypanosomes. Suramin, a drug used exclusively for treatment of early-stage human African trypanosomiasis with no CNS involvement, effected apparent cure in the patient. This is the first case reported of human infection due to Trypanosoma evansi, which was probably caused by transmission of blood from an infected animal.

Author Notes

Reprint requests: Philippe Truc, Institut de Recherche pour le Développement, Unité de Recherche 117 Trypanosomoses Africaines, TA 207/G Campus International de Baillarguet, 34 398 Montpellier Cedex 5, France, Telephone: 33-6-11-88-88-28, Fax: 33-4-67-59-39-20. E-mail: truc@mpl.ird.fr.
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