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https://www.arca.fiocruz.br/handle/icict/56526
IMPACT OF VECTOR CONTROL ACTIONS IN THE ABUNDANCE OF LUTZOMYIA LONGIPALPIS IN MONTES CLAROS, BRAZIL
Lutzomyia longipalpis
Visceral leishmaniasis
alpha-cypermethrin
environmental management
Author
Rocha, Marília Fonseca
Michalsky, Érika Monteiro
Silva, Fabiana de Oliveira Lara
Pereira, Nathália Cristina Lima
Lana, Rosana Silva
Silva, João Carlos França
Pinheiro, Letícia Cavalari
Marinho, Sandra da Silva Barros
Santos, Ronaldo Cardoso Dos
Santo, Luçandra Ramos Espirito
Dias, Consuelo Latorre Fortes
Dias, Edelberto Santos
Michalsky, Érika Monteiro
Silva, Fabiana de Oliveira Lara
Pereira, Nathália Cristina Lima
Lana, Rosana Silva
Silva, João Carlos França
Pinheiro, Letícia Cavalari
Marinho, Sandra da Silva Barros
Santos, Ronaldo Cardoso Dos
Santo, Luçandra Ramos Espirito
Dias, Consuelo Latorre Fortes
Dias, Edelberto Santos
Affilliation
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil/ Universidade Estadual de Montes Claros. Montes Claros, MG, Brazil/ Prefeitura de Montes Claros. Secretaria de Saúde. Montes Claros, MG, Brazil.
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Universidade Federal de Minas Gerais. Belo Horizonte, MG, Brazil.
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Prefeitura de Montes Claros. Secretaria de Saúde. Montes Claros, MG, Brazil.
Prefeitura de Montes Claros. Secretaria de Saúde. Montes Claros, MG, Brazil.
Universidade Estadual de Montes Claros. Montes Claros, MG, Brazil.
Estado de Minas Gerais. Fundação Ezequiel Dias. Belo Horizonte, MG, Brazil.
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil.
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Universidade Federal de Minas Gerais. Belo Horizonte, MG, Brazil.
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil
Prefeitura de Montes Claros. Secretaria de Saúde. Montes Claros, MG, Brazil.
Prefeitura de Montes Claros. Secretaria de Saúde. Montes Claros, MG, Brazil.
Universidade Estadual de Montes Claros. Montes Claros, MG, Brazil.
Estado de Minas Gerais. Fundação Ezequiel Dias. Belo Horizonte, MG, Brazil.
Fundação Oswaldo Cruz. Instituto René Rachou. Belo Horizonte, MG, Brazil.
Abstract
Visceral leishmaniasis (VL) is endemic to many states in Brazil. To prevent further expansion of the disease, the Brazilian Ministry of Health adopted integrated measures through the Program of Surveillance and Control of Visceral Leishmaniasis (PSCVL), whose actions include the diagnosis and euthanasia of seropositive dogs (the main domestic reservoirs), the use of residual insecticides, environmental management (EM) to control vector population (mainly Lutzomyia longipalpis phlebotomine), rigorous epidemiological surveillance, and health education. The present study was conducted in areas with recent moderate VL transmission to evaluate the efficacy of vector control activities. The systematic capture of phlebotomine was performed for three consecutive days per month, from August 2015 to July 2017. The number of specimens captured was taken as a representative of the monthly insect population. A total of 38,055 phlebotomine specimens were captured and identified at the species level. Lu. longipalpis was consistently found to be the predominant species (97.7%) each month. In the first year of the study, no intervention was performed. In the second year, two cycles of chemical spraying, EM, or a combination of both were performed before and after the rainy season. All interventions, either individually or in combination, reduced the abundance of Lu. longipalpis in the study area.
Keywords
LeishmaniaLutzomyia longipalpis
Visceral leishmaniasis
alpha-cypermethrin
environmental management
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