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Necessidade de vigilância epidemiológica para Leishmania infantum (syn. Leishmania chagasi) e Leishmania (Viannia) braziliensis em flebotomíneos e gatos errantes no Bosque Municipal de Marília-SP

Authors: Pirajá, Gabriela Villa;

Necessidade de vigilância epidemiológica para Leishmania infantum (syn. Leishmania chagasi) e Leishmania (Viannia) braziliensis em flebotomíneos e gatos errantes no Bosque Municipal de Marília-SP

Abstract

Leishmania infantum (syn. L. chagasi) is the causative agent of visceral leishmaniasis (VL) in the New World, with endemic areas that spreads from the south of United States until the north of Argentina. Leishmaniasis represents a great importance in public health due to the zoonotic nature, and currently have been presented a great dissemination in different regions of Brazil, specially in Sao Paulo State. In Brazil, cutaneous leishmaniasis has been occurred in almost all States, and have been growing up progressively in the last twenty years, occurring outbreaks in all regions of the country. Even though the sporadic reports of feline leishmaniasis, more studies are necessary to consider cats as the great importance as reservoirs in the feline leishmaniasis. These animals almost do not represent any clinical symptoms, even infected, representing important source of infection to another domestic animals, humans and vice-versa. Blood samples were collected from fifty cats habiting the Municipal Grove from Marília-SP, an area with high number of visitors and already detected sandflies. Traps CDC were installed in ten different points of the Municipal Grove from Marília-SP, since July to December/2012. Four specimens of Lutzomyia longipalpis (Lu. longipalpis) were captured (two males and two females) and four females specimens of the Brumptomyia genre. The parasitological analysis of gut contents of two females of Lu. longipalpis was negative. The Immunofluorescence Antibody Test (IFAT) for Leishmania infantum was performed, resulting in four (8%) reagent animals. All cats were non-reagent to Leishmania braziliensis by IFAT. Regarding to Indirect Enzyme Linked Immunosorbent Assay (ELISA) test for Leishmania infantum, 42% of the animals (21/50) were reagent. For L. braziliensis, 18% of the animals (9/50) were reagent to ELISA test. The Polimerase Chain Reaction (PCR) for Leishmania infantum and for Leishmania braziliensis from ...

Leishmania infantum (syn. L. chagasi) é o agente causador da Leishmaniose Visceral (LV) no Novo Mundo, com áreas endêmicas que se estendem do Sul dos EUA ao norte da Argentina. As leishmanioses assumem grande importância em saúde pública por sua natureza zoonótica e, atualmente, vêm apresentando crescente disseminação nas diferentes regiões do Brasil, em especial no Estado de São Paulo. No Brasil, a Leishmaniose Tegumentar (LT) tem sido assinalada em praticamente todos os Estados e vem crescendo progressivamente nos últimos 20 anos, ocorrendo surtos em todas as regiões do país. Apesar dos registros de ocorrências de infecções esporádicas de leishmaniose felina (LF), são necessários mais estudos para se considerar os felinos como reservatórios importantes nas leishmanioses. Estes animais quase não apresentam sinais clínicos, mesmo estando infectados, constituindo-se em importantes fontes de infecção para outros animais domésticos, o homem ou vice-versa. Coletaram-se amostras de sangue de 50 gatos procedentes do Bosque Municipal de Marília, área de grande concentração de transeuntes e já detectado flebotomíneos no local. Armadilhas do tipo CDC luminosas foram instaladas em dez diferentes pontos do bosque, nos meses de julho a dezembro/2012, tendo-se capturado um total de quatro espécies de Lutzomyia longipalpis (Lu. longipalpis) sendo dois machos e duas fêmeas e quatro espécies fêmeas do gênero Brumptomyia spp. A análise parasitológica do conteúdo intestinal das duas fêmeas da espécie Lu. longipalpis foi negativa. Realizou-se a prova de Reação de Imunofluorescência Indireta (RIFI) para Leishmania infantum, tendo-se quatro (8%) animais reagentes. Todos os animais foram não reagentes à prova de RIFI para Leishmania(Viannia) braziliensis. Em relação ao teste de ELISA indireto para Leishmania infantum, 42% dos animais (21/50) foram reagentes. Para L. braziliensis, 18% dos animais (9/50) foram reagentes...

Pós-graduação em Medicina Veterinária - FMVZ

Country
Brazil
Keywords

Gato - Doenças, Leishmaniose visceral, Zoonoses, Leishmania brasiliensis, Marilia (SP)

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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