Sand fly bioecological aspects and risk mapping of leishmaniasis by geographical information systems approach in a mineral exploration area of Brazil

Carvalho, Gustavo Mayr de Lima; Silva, Danyele  Franca; Xavier, Laura do Amaral; Soares, João Vítor Reis; Ramos, Vladimir Diniz Vieira; Madureira, Ana Paula; Lima, Mariana Alves; Tonelli, Gabriel Barbosa; Paz, Gustavo Fontes; Rêgo, Felipe Dutra; Andrade-Filho, José Dilermando; Margonari, Carina

doi:10.1016/j.actatropica.2022.106491

Cited by 3 publications

(4 citation statements)

References 62 publications

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“…The presence of Lu . longipalpis in the urban area of Iguatama, as well as in other cities in the Midwest Region of MG [ 25 – 27 ], highlights its role in the transmission of Le . infantum in this endemic region.…”

Section: Discussionmentioning

confidence: 99%

“…cortelezzii were consistently collected throughout all sampling periods. These species exhibit similar behavior and adaptability to urban areas of MG [ 25 , 27 , 30 ].…”

Section: Discussionmentioning

confidence: 99%

“…infantum , in Lu . longipalpis are commonly reported in Brazilian areas endemic for VL, highlighting the significance of this species in the parasite life cycle [ 5 , 25 , 27 , 35 ]. While Lu .…”

Section: Discussionmentioning

confidence: 99%

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Diversity, Leishmania detection, and blood meal sources of sand flies from Iguatama, Minas Gerais, Brazil

Dutra-Rêgo,

Binder,

Capucci

et al. 2024

PLoS ONE

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This study investigated the sand fly fauna of the municipality Iguatama, in the Midwest Region of Minas Gerais state, Brazil, including Leishmania infection rates and blood meal sources. Sand flies were collected during four periods over the course of a single year, encompassing both dry and rainy seasons, using CDC light traps placed in peridomiciles where dogs were seropositive for visceral leishmaniasis (VL). A total of 762 sand fly specimens, representing 12 species across seven genera, were collected. Lutzomyia longipalpis was the most abundant species, comprising 57.6% of the collected specimens, followed by Nyssomyia neivai (19.6%) and Nyssomyia whitmani (10.5%). Species richness and diversity varied among collection periods, with the highest diversity observed in January 2019. Molecular analysis detected Leishmania DNA in 12.5% of the sand fly specimens, with Le. infantum being the predominant species. Blood meal analysis revealed feeding on multiple vertebrate species, including humans, rats, dogs, and chickens. The presence of Leishmania DNA in sand flies, and the identification of human blood meals, highlight the potential role of these species in VL transmission. These findings underscore the importance of continued surveillance and control measures to prevent the spread of VL and reduce transmission risk in the region.

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Section: Discussionmentioning

confidence: 99%

“…cortelezzii were consistently collected throughout all sampling periods. These species exhibit similar behavior and adaptability to urban areas of MG [ 25 , 27 , 30 ].…”

Section: Discussionmentioning

confidence: 99%

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Diversity, Leishmania detection, and blood meal sources of sand flies from Iguatama, Minas Gerais, Brazil

Dutra-Rêgo,

Binder,

Capucci

et al. 2024

PLoS ONE

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“…The effectiveness of these measures depends on the health surveillance of municipalities, which should include the identification of transmission areas, assessment of vector distribution, adequate medical care and monitoring of dogs ( Brasil, 2021 ). These actions should be based on epidemiological and entomological studies, enabling the identification of risk areas and the planning of control activities ( Carvalho et al, 2022 ).…”

Section: Discussionmentioning

confidence: 99%

Epidemiology of visceral leishmaniasis in municipalities of Mato Grosso and the performance of surveillance activities: an updated investigation

Menegatti,

Dias

2024

Rev. Bras. Parasitol. Vet.

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Visceral leishmaniasis (VL) is considered a globally neglected disease. To address the problem of VL endemic to Brazil, the Visceral Leishmaniasis Control Program (VLCP) was created, which recommends the development of health surveillance actions such as the identification of human and canine cases, vector control and prevention of disease. We aimed to investigate the epidemiological situation of VL in municipalities of the State of Mato Grosso (MT) and assess the execution of VLCP activities. Data on human cases were obtained from the Information System for Notifiable Diseases (SINAN), and data from entomological and canine inquiry were provided by the State’s Health Department. Analyzes from the period 2019 - 2021 recorded 30 cases of human VL, distributed among 16 municipalities. Vectors were identified in 50% of the municipalities where entomological investigations were carried out, and the predominant specie was Lutzomyia longipalpis. A total of 15,585 dogs were subjected to serological examination, of which 18.91% tested seropositive for Leishmania infantum. However, it must be emphasized that only three municipalities conducted consecutive inquiries involving canine VL. Although VL is distributed widely throughout the State, only a few municipalities have undertaken the actions of the VLCP, thus highlighting the neglected status of the disease.

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Ecology and natural infection of phlebotomine sand flies in different ecotopes and environments in the municipality of Pains, Minas Gerais, Brazil

Capucci¹,

Campos²,

Soares³

et al. 2023

Acta Tropica

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Sand fly bioecological aspects and risk mapping of leishmaniasis by geographical information systems approach in a mineral exploration area of Brazil

Cited by 3 publications

References 62 publications

Diversity, Leishmania detection, and blood meal sources of sand flies from Iguatama, Minas Gerais, Brazil

Diversity, Leishmania detection, and blood meal sources of sand flies from Iguatama, Minas Gerais, Brazil

Epidemiology of visceral leishmaniasis in municipalities of Mato Grosso and the performance of surveillance activities: an updated investigation

Ecology and natural infection of phlebotomine sand flies in different ecotopes and environments in the municipality of Pains, Minas Gerais, Brazil

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