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Memórias do Instituto Oswaldo Cruz

Print version ISSN 0074-0276On-line version ISSN 1678-8060

Mem. Inst. Oswaldo Cruz vol.84 no.3 Rio de Janeiro July./Sept. 1989

http://dx.doi.org/10.1590/S0074-02761989000300019 

Leishmaniose en Bolivie: IV. Le chien dans les cycles des leishmanioses en Bolivie

François Le Pont1 

Sergio Mollinedo2 

Jean Mouchet1 

Philippe Desjeux3 

ORSTOM, Bondy, France

IBBA, La Paz, Bolivie

OMS, Genève, Suisse

ABSTRACT

In Bolivia, the dog is involved in the cycle of visceral leishmaniasis (Leishmania (Le.) chagasi) in the Yungas (alt. 1,000-2,000 m), and also in the cycleof cutaneous leishmaniasis (Le. (V.) braziliensis) in the Alto Beni (alt. 400-600 m). But it plays a different role in the two cycles. In the Yungas focus, it is the main reservoir of Le. (Le.) chagasi and the source of contamination for man. In the Alto Beni focus, it is only a "victm-host", like man, of Le. (V.) braziliensis; the reservoir of which is unknown. Wild mammals are very likely to be involved.

Key words: dog; visceral leishmaniasis; cutaneous leishmaniasis; reservoir; Bolívia

ABSTRACT

En Bolivie le chien domestique est impliqué dans le cycle de la leishmaniose viscérale (Leishmania (Le.) chagasi) das les Yungas (alt. 1,000-2,000 m) et aussi dans le cycle de la leishmaniose tégumetaire (Le. (V.) braziliensis) dans l'Alto Beni (alt. 400-600 m). Mais il joue un rôle différent dans les deux cycles. Il est le prencipal résevoir, peut-être l'unique de Le. (Le.) chagasi dans les Yungas, et la source de contamination de l'home. Dans l'Alto Beni, il n'est seulement qu'une victime, comme l'home, de Le. (V.) braziliensis, dont le réservoir reste inconnu, les soupçons se portant sur des mammifères sauvages.

Key words: chien; leishmaniose vicérale; leishmaniose tégumentaire; réservoir; Bolivie

RESUMO

Na Bolívia, o cão participa do ciclo da leishmaniose visceral (Leishmania (Le.) chagasi nas Yungas (alt. 1.000-2.000 m) e também do ciclo da leishmaniose tegumentar (Le. (V.) brasiliensis) no Alto Beni (alt. 400-600m). Entretanto, o animal tem funções diferentes nos dois ciclos. Constitui-se no reservatório principal de Le. (Le.) chagasi nas Yungas, podendo ser o único e ser a fonte de contaminacão para o homem. No caso de Le. (V.) braziliensis no Alto Beni, o cão é como o homem, somente um hospedeiro "vítima"; o reservatório deste parasito é desconhecido, embora se desconfie de mamíferos selvagens.

Palavras-Chave: cão; leishmaniose visceral; leishmaniose tegumentar; reservatório; Bolívia

 

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