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Spatial clusters, temporal behavior, and risk factors analysis of rabies in livestock in Ecuador
Indexado
WoS WOS:001215963100001
Scopus SCOPUS_ID:85188510722
DOI 10.1016/J.PREVETMED.2024.106188
Año 2024
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Rabies, a globally distributed and highly lethal zoonotic neglected tropical disease, has a significant impact in South America. In Ecuador, animal rabies cases are primarily linked to livestock, and hematophagous bats play a crucial role in disease transmission. This study aims to identify temporal trends, spatial patterns, and risk factors for animal rabies in Ecuador between 2014 and 2019. Epidemiological survey reports from the official Animal Rabies Surveillance Program of the Phyto and Zoosanitary Regulation and Control Agency of Ecuador (AGROCALIDAD) were used. The Animal Rabies Surveillance Program from AGROCALIDAD consists of an official passive surveillance program that receives reports from farmers or individuals (both trained or untrained) who have observed animals with neurological clinical signs and lesions compatible with bat bites, or who have seen or captured bats on their farms or houses. Once this report is made, AGROCALIDAD personnel is sent for field inspection, having to confirm the suspicion of rabies based on farm conditions and compatibility of signs. AGROCALIDAD personnel collect samples from all suspicious animals, which are further processed and analyzed using the Direct Fluorescent Antibody (DFA) test for rabies confirmatory diagnosis. In this case, study data comprised 846 bovine farms (with intra-farm sample sizes ranging from 1 to 16 samples) located in different ecoregions of Ecuador; out of these, 397 (46.93%) farms tested positive for animal rabies, revealing six statistically significant spatial clusters. Among these clusters, three high-risk areas were identified in the southeast of Ecuador. Seasonality was confirmed by the Ljung-Box test for both the number of cases (p < 0.001) and the positivity rate (p < 0.001). The Pacific Coastal lowlands and Sierra regions showed a lower risk of positivity compared to Amazonia (OR = 0.529; 95% CI = 0.318 - 0.883; p = 0.015 and OR = 0.633; 95% CI = 0.410 - 0.977; p = 0.039, respectively). The breeding of non-bovine animal species demonstrated a lower risk of positivity to animal rabies when compared to bovine (OR = 0.145; 95% CI = 0.062 - 0.339; p < 0.001). Similarly, older animals exhibited a lower risk (OR = 0.974; 95% CI = 0.967 - 0.981; p < 0.001). Rainfall during the rainy season was also found to decrease the risk of positivity to animal rabies (OR = 0.996; 95% CI = 0.995 - 0.998; p < 0.001). This study underscores the significance of strengthening the national surveillance program for the prevention and control of animal rabies in Ecuador and other countries facing similar epidemiological, social, and geographical circumstances.

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Disciplinas de Investigación



WOS
Veterinary Sciences
Scopus
Sin Disciplinas
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Briceno-Loaiza, Cesar - Universidad de Chile - Chile
Agencia Regulac & Control Fito & Zoosanitario AGRO - Ecuador
Inst Super Tecnol Juan Montalvo - Ecuador
Agencia de Regulación y Control Fito y Zoosanitario (AGROCALIDAD) - Ecuador
Carrera de Agroecología - Ecuador
2 Fernandez-Sanhueza, Bastian Hombre Universidad de Chile - Chile
Universidad Santo Tomás - Chile
3 Benavidez-Silva, Cesar Hombre Pontificia Universidad Católica de Chile - Chile
Univ Nacl Loja - Ecuador
Universidad Nacional de Loja - Ecuador
4 Jimenez, Jose Yaguana - Univ Nacl Loja - Ecuador
Universidad Nacional de Loja - Ecuador
5 RUBIO-CARRASCO, ANDRE VICTOR Hombre Universidad de Chile - Chile
6 ABALOS-PINEDA, PEDRO ENRIQUE Hombre Universidad de Chile - Chile
7 Alegria-Moran, Raill A. - Universidad Santo Tomás - Chile

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Financiamiento



Fuente
AGCID
Chilean Agency for International Development Cooperation (AGCID)
Chilean Agency for International Development Cooperation

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Agradecimientos



Agradecimiento
This work was partially supported by the Chilean Agency for International Development Cooperation (AGCID) grant number 22/3028 to Cesar Briceno-Loaiza. The authors would like to thank AGROCALIDAD staff for making available and helping in organizing the official national information, particularly Dr. Alvaro Moreta.
This work was partially supported by the Chilean Agency for International Development Cooperation (AGCID) grant number 22/3028 to Cesar Briceño-Loaiza. The authors would like to thank AGROCALIDAD staff for making available and helping in organizing the official national information, particularly Dr. Alvaro Moreta. The authors also want to thank Dr. Hannah Temple for proofreading the manuscript and English language editing.

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