Description of malaria vectors (Diptera: Culicidae) in two agricultural settlements in the Western Brazilian Amazon (doi:10.7910/DVN/AOM6SR)

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Document Description

Citation

Title:

Description of malaria vectors (Diptera: Culicidae) in two agricultural settlements in the Western Brazilian Amazon

Identification Number:

doi:10.7910/DVN/AOM6SR

Distributor:

Harvard Dataverse

Date of Distribution:

2024-03-19

Version:

1

Bibliographic Citation:

Andrade, Alice Oliveira; Santos, Najara Akira Costa dos; Castro, Raphael Brum; Araujo, Isabelle Sousa de; Silva Bastos, Alessandra da; Magi, Felipe Neves; Rodrigues, Moreno Magalhaes de Souza; Pereira, Dhelio Batista; Medeiros, Jansen Fernandes; Araujo, Maisa da Silva, 2024, "Description of malaria vectors (Diptera: Culicidae) in two agricultural settlements in the Western Brazilian Amazon", https://doi.org/10.7910/DVN/AOM6SR, Harvard Dataverse, V1

Study Description

Citation

Title:

Description of malaria vectors (Diptera: Culicidae) in two agricultural settlements in the Western Brazilian Amazon

Identification Number:

doi:10.7910/DVN/AOM6SR

Authoring Entity:

Andrade, Alice Oliveira (Fundação Oswaldo Cruz; Fundação Universidade Federal de Rondônia)

Santos, Najara Akira Costa dos (Fundação Oswaldo Cruz; Fundação Universidade Federal de Rondônia)

Castro, Raphael Brum (Fundação Oswaldo Cruz)

Araujo, Isabelle Sousa de (Fundação Oswaldo Cruz)

Silva Bastos, Alessandra da (Fundação Oswaldo Cruz; Fundação Universidade Federal de Rondônia)

Magi, Felipe Neves (Fundação Oswaldo Cruz; Centro Universitário Aparício Carvalho)

Rodrigues, Moreno Magalhaes de Souza (Fundação Oswaldo Cruz)

Pereira, Dhelio Batista (Fundação Universidade Federal de Rondônia; Ambulatório de Malária)

Medeiros, Jansen Fernandes (Fundação Oswaldo Cruz; Fundação Universidade Federal de Rondônia; Instituto Nacional de Ciência e Tecnologia de Epidemiologia da Amazônia Ocidental)

Araujo, Maisa da Silva (Fundação Oswaldo Cruz; Fundação Universidade Federal de Rondônia)

Distributor:

Harvard Dataverse

Access Authority:

Ponmattam, Jamie

Depositor:

Ponmattam, Jamie

Date of Deposit:

2024-03-19

Holdings Information:

https://doi.org/10.7910/DVN/AOM6SR

Study Scope

Keywords:

Medicine, Health and Life Sciences

Abstract:

The majority of malaria cases in South America occur in rural areas of the Amazon region. Although these areas have a significant impact on malaria cases, few entomological studies have been carried out there. This study aimed to describe entomological parameters in settlements in Rondonia State, Brazil. Collections of anopheles were carried out using the Protected Human Attraction Technique (PHAT). The risk and the potential for malaria transmission were assessed using the human biting rate (HBR), the sporozoite rate (SR) and the entomological inoculation rate (EIR). The results confirmed that Nyssorhynchus darlingi is the predominant species in the two studied locations. Although settlement in the two study sites has occurred at different times, the species richness found was low, showing that environmental changes caused by anthropological actions have probably favor the adaptation of Ny. darlingi species. From the total of 615 anopheline mosquitoes assessed, seven (1.1%) were positive for Plasmodium sp. infections. The EIR revealed that Ny. darlingi contributes to malaria transmission in both locations, as it was responsible for 0.05 infectious bites in humans at night in the old settlement and 0.02 in the recent occupation. In the two study sites, the biting occurred more frequently at dusk. Nyssorhynchus darlingi was prevalent in areas of recent colonization but, even when present in a low density, this species could maintain the transmission of malaria in the older settlement. The entomological information obtained in this study is important and may aid the selection of vector control actions in these locations.

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Citation

Title:

Andrade AO, Santos NACD, Castro RB, Araujo IS, Bastos ADS, Magi FN, Rodrigues MMS, Pereira DB, Medeiros JF, Araújo MDS. Description of malaria vectors (Diptera: Culicidae) in two agricultural settlements in the Western Brazilian Amazon. Rev Inst Med Trop Sao Paulo. 2021 Jul 30;63:e60. doi: 10.1590/S1678-9946202163060. PMID: 34407161; PMCID: PMC8323833.

Identification Number:

34407161

Bibliographic Citation:

Andrade AO, Santos NACD, Castro RB, Araujo IS, Bastos ADS, Magi FN, Rodrigues MMS, Pereira DB, Medeiros JF, Araújo MDS. Description of malaria vectors (Diptera: Culicidae) in two agricultural settlements in the Western Brazilian Amazon. Rev Inst Med Trop Sao Paulo. 2021 Jul 30;63:e60. doi: 10.1590/S1678-9946202163060. PMID: 34407161; PMCID: PMC8323833.

Other Study-Related Materials

Label:

Paper_01_data.xlsx

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