Unveiling the overlooked: Current and future distribution dynamics of kissing bugs and palm species linked to oral Chagas disease transmission

Unveiling the overlooked: Current and future distribution dynamics of kissing bugs and palm species linked to oral Chagas disease transmission

•Oral transmission of Chagas disease is frequently overlooked and increasing.•Rhodnius kissing bugs and palm trees play key role in this transmission.•Distribution of vectors and palm trees drive oral Chagas disease spread.•Niche modeling indicates broader potential habitats than current records ind...

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Bibliographic Details
Published in:Acta tropica Vol. 258; p. 107367
Main Authors: Picanço, Mayara M., Guedes, Raul Narciso C., da Silva, Ricardo S., Galvão, Cleber, Souza, Philipe Guilherme C., Barreto, Alice B., Sant'Ana, Letícia Caroline da S., Lopes, Pedro Henrique Q., Picanço, Marcelo C.
Format: Journal Article
Language:English
Published: Netherlands Elsevier B.V 01-10-2024
Subjects:
Animals
Arecaceae - parasitology
Attalea maripa
Brazil - epidemiology
Chagas Disease - epidemiology
Chagas Disease - transmission
Climate Change
Ecosystem
Humans
Insect Vectors - parasitology
Insect Vectors - physiology
Mauritia flexuosa
MaxEnt
Neglected disease
Rhodnius - parasitology
Rhodnius - physiology
Rhodnius pictipes
Rhodnius robustus
Brazil
Neglected disease
Rhodnius pictipes
Attalea maripa
MaxEnt
Rhodnius robustus
Mauritia flexuosa
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Summary:•Oral transmission of Chagas disease is frequently overlooked and increasing.•Rhodnius kissing bugs and palm trees play key role in this transmission.•Distribution of vectors and palm trees drive oral Chagas disease spread.•Niche modeling indicates broader potential habitats than current records indicate.•Projections suggest increased suitability by 2040, reducing by 2080. Chagas disease, a neglected global health concern primarily transmitted through the bite and feces of kissing bugs, has garnered increasing attention due to recent outbreaks in northern Brazil, highlighting the role of oral transmission facilitated by the kissing bugs species Rhodnius robustus and Rhodnius pictipes. These vectors are associated with palm trees with large crowns, such as the maripa palm (Attalea maripa) and moriche palm (Mauritia flexuosa). In this study, we employ maximum entropy (MaxEnt) ecological niche models to analyze the spatial distribution of these vectors and palm species, predicting current and future climate suitability. Our models indicate broader potential habitats than documented occurrences, with high suitability in northern South America, southern Central America, central Africa, and southeast Asia. Projections suggest increased climate suitability by 2040, followed by a reduction by 2080. This study identifies present and future areas suitable for kissing bugs and palm tree species due to climate change, aiding in the design of prevention and management strategies.
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ISSN:0001-706X
1873-6254
1873-6254
DOI:10.1016/j.actatropica.2024.107367