Descrição de um novo foco de calazar canino autóctone no município da Serra, Região Metropolitana de Vitória, ES
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2010-07-27
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Tonini, Marco André Loureiro
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Universidade Federal do Espírito Santo
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Although the Metropolitan Region of Vitória, Espírito Santo state, is considered a free visceral leishmaniasis (VL) area, a recent canine soroepidemiological inquiry revealed that 7 out of 158 (4,4%) stray dogs were seropositive (Kalazar Detect) for VL, suggesting the existence of autochthonous VL in this region. In order to clarify these findings, 201 dogs from Serra municipality were screened for VL, using serological, parasitological and molecular tests. Of this total, 13% (26/201) and 5,97% (12/201) were positive for ELISA in house and Kalazar Detect tests, respectively. None of the dogs was positive for RIFI and ELISA assays (Biomanguinhos). Two seropositive dogs presented positive culture for Leishmania (Leishmania) chagasi, and four were PCR positive for the Leishmania genus. Additionally, one human VL case was reported in association with 2 canine cases (both of them positive for Kalazar Detect and one had a positive culture). The epidemiological investigation showed that both dogs were born in Serra and never travelled to VL endemic areas. The other dog with a positive culture was captured by the Zoonosis Control Center 550 meters far from the patient s dwellings. Although the Lutzomyia longipalpis species was not detected, others phlebotomine sand fly species were found such as L. edwardsi, L. tupynambai, L. cortelezzii, L. sordellii, and L. intermedia. Our results strongly suggest the existence of autochthonous canine VL and the first autochthonous human case of the disease in Serra, though this cannot be confirmed because the patient was native from an endemic area for VL.
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TONINI, Marco André Loureiro. Descrição de um novo foco de calazar canino autóctone no município da Serra, Região Metropolitana de Vitória, ES. 2010. 97 f. Dissertação (Mestrado em Doenças Infecciosas) - Programa de Pós-Graduação em Doenças Infecciosas, Universidade Federal do Espírito Santo, Vitória, 2010.