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Detection of Respiratory Syncytial Virus (RSV) in Black-Horned Capuchin Monkeys, Brazil. 巴西黑角卷尾猴呼吸道合胞病毒(RSV)检测。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-10-19 DOI: 10.1007/s10393-026-01837-y
Iago José da Silva Domingos, Iara Monteiro de Almeida, Ana Gabriella Stoffella-Dutra, Pedro Henrique Bastos E Silva, Gabriela Pereira Ribeiro, Gabriela Fernanda Garcia-Oliveira, Kelly Cristina Magalhães Luiz, Talita Emile Ribeiro Adelino, Débora de Meneses, Ana Yasha Ferreira de La Salles, Larissa Vaccarini Ávila, Isabela Normando Mascarenhas, Vanessa de Paula Guimarães-Lopes, Natasha Grosch Loureiro, Andre Felipe Leal Bernardes, Mauro Andrade de Freitas Guimarães, Felipe Campos de Melo Iani, Betânia Paiva Drumond, Fabiano Rodrigues de Melo, Flávio Henrique Guimarães Rodrigues, Giliane de Souza Trindade
{"title":"Detection of Respiratory Syncytial Virus (RSV) in Black-Horned Capuchin Monkeys, Brazil.","authors":"Iago José da Silva Domingos, Iara Monteiro de Almeida, Ana Gabriella Stoffella-Dutra, Pedro Henrique Bastos E Silva, Gabriela Pereira Ribeiro, Gabriela Fernanda Garcia-Oliveira, Kelly Cristina Magalhães Luiz, Talita Emile Ribeiro Adelino, Débora de Meneses, Ana Yasha Ferreira de La Salles, Larissa Vaccarini Ávila, Isabela Normando Mascarenhas, Vanessa de Paula Guimarães-Lopes, Natasha Grosch Loureiro, Andre Felipe Leal Bernardes, Mauro Andrade de Freitas Guimarães, Felipe Campos de Melo Iani, Betânia Paiva Drumond, Fabiano Rodrigues de Melo, Flávio Henrique Guimarães Rodrigues, Giliane de Souza Trindade","doi":"10.1007/s10393-026-01837-y","DOIUrl":"https://doi.org/10.1007/s10393-026-01837-y","url":null,"abstract":"<p><p>We carried out a viral surveillance study on 30 black-horned capuchin monkeys (Sapajus nigritus) in Rio Doce State Park, a protected area in the Brazilian Atlantic Forest. Samples were tested for orthopoxviruses, flaviviruses, coronaviruses, influenza viruses, and a wide range of other respiratory viruses using molecular and serological methods. RT-qPCR detected the respiratory syncytial virus (RSV) genome in oral swabs from two asymptomatic juvenile females sampled in an area with high human interaction. This finding indicates a possible exposure of an population to RSV, a contagious human pathogen, and highlights the importance of increased surveillance at the human-wildlife interface.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149225344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analysis of Lassa Fever Incidence in Nigeria Demonstrates a Clear Climate-Disease Interaction. 对尼日利亚拉沙热发病率的分析显示了明显的气候-疾病相互作用。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-10-17 DOI: 10.1007/s10393-026-01851-0
Great Iruoghene Edo, O Omoriwhovo Enoch, Morenike Olufunmilayo Akpo, Ibiyinka Agboola Fuwape, Lilian Oghenenyoreme Itoje-Akpokiniovo, Raghda S Makia, Emad Yousif, Joseph Oghenewogaga Owheruo, Ephraim Evi Alex Oghroro, Ufuoma Augustina Igbuku, Arthur Efeoghene Athan Essaghah, Dina S Ahmed, Ahmed A Alamiery, Huzaifa Umar
{"title":"Analysis of Lassa Fever Incidence in Nigeria Demonstrates a Clear Climate-Disease Interaction.","authors":"Great Iruoghene Edo, O Omoriwhovo Enoch, Morenike Olufunmilayo Akpo, Ibiyinka Agboola Fuwape, Lilian Oghenenyoreme Itoje-Akpokiniovo, Raghda S Makia, Emad Yousif, Joseph Oghenewogaga Owheruo, Ephraim Evi Alex Oghroro, Ufuoma Augustina Igbuku, Arthur Efeoghene Athan Essaghah, Dina S Ahmed, Ahmed A Alamiery, Huzaifa Umar","doi":"10.1007/s10393-026-01851-0","DOIUrl":"https://doi.org/10.1007/s10393-026-01851-0","url":null,"abstract":"<p><p>Lassa fever remains a major public health concern in Nigeria, where climatic variability, ecological dynamics, and socio-behavioral factors combine to influence transmission patterns. This review synthesizes current evidence on how atmospheric conditions shape Lassa fever incidence through their effects on ecosystems, rodent reservoirs, and human exposure pathways. Drawing on studies in epidemiology, disease ecology, climate science and remote sensing, the review highlights that temperature, rainfall, humidity, vegetation change and large-scale climatic oscillations all contribute to fluctuations in Mastomys natalensis populations which serve as the primary reservoir of Lassa virus. These climatic drivers modify food availability, breeding cycles and habitat suitability for rodents which in turn affect the probability of viral spillover. Modeling approaches including statistical regression, time series analysis, ecological niche modeling and spatiotemporal remote sensing demonstrate that environmental variables significantly improve predictions of disease risk. However, important gaps remain including limited long-term ecological data, underreporting in surveillance systems, insufficient integration of rodent ecology with climate data and a need for more comprehensive socio-behavioral studies. The review recommends future directions such as sustained monitoring of Mastomys populations, high-resolution climate-sensitive modeling, genomic analysis of Lassa virus across climatic gradients and multidisciplinary approaches that combine environmental science with public health research. Improving climate-informed surveillance and early warning systems is essential for strengthening preparedness and reducing the burden of Lassa fever in Nigeria.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149217319","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Rift Valley Fever at the Crossroads of Ecology Mobility and Fragmented Health Governance. 裂谷热在生态流动和碎片化卫生治理的十字路口。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-10-16 DOI: 10.1007/s10393-026-01838-x
Fredrick Kivaria, Freda Loy Aceng, Charles Bebay
{"title":"Rift Valley Fever at the Crossroads of Ecology Mobility and Fragmented Health Governance.","authors":"Fredrick Kivaria, Freda Loy Aceng, Charles Bebay","doi":"10.1007/s10393-026-01838-x","DOIUrl":"https://doi.org/10.1007/s10393-026-01838-x","url":null,"abstract":"<p><p>Rift Valley fever (RVF) remains one of the most recognisable yet persistently elusive zoonotic diseases in Africa, despite decades of scientific advances in virology, epidemiology, and early warning. While RVF dynamics are well characterised in eco-epidemiological terms, its continued emergence, amplification, and persistence suggest that biological complexity alone does not fully explain ongoing transmission patterns. This review adopts a socio-ecological One Health systems perspective to examine how interactions between eco-epidemiological processes, livestock mobility, and health governance structures shape RVF risk. Drawing on an integrative synthesis of interdisciplinary literature, it conceptualises RVF dynamics as arising from three interconnected domains: biological risk generation, spatial redistribution through mobility and trade systems, and institutional response through governance architectures. The analysis highlights a fundamental misalignment across these domains. Ecological signals and animal health indicators often precede outbreaks but are not translated into timely action; livestock mobility redistributes risk across regions beyond the reach of nationally bounded response systems; and governance arrangements remain fragmented, with no single institution holding end-to-end responsibility. As a result, RVF response remains largely reactive and case-triggered despite the availability of predictive tools and preventive interventions. Addressing this persistent gap requires a shift from reactive, case-chasing response toward anticipatory, integrated governance that aligns ecological intelligence, mobility-informed risk management, and coordinated cross-sectoral action. Viewing RVF through this systems lens underscores that its persistence reflects less a failure of knowledge than a failure of alignment between the systems through which risk is generated, redistributed, and governed.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149208109","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Illegal Shooting of a Maned Wolf (Chrysocyon brachyurus) in Argentina Reveals a Key Conservation Threat. 在阿根廷非法射杀鬃狼(Chrysocyon brachyurus)揭示了一个关键的保护威胁。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-10-15 DOI: 10.1007/s10393-026-01848-9
M B Natalini, M Raño, F Sanchez Gavier, L Cacerez, L E Acuña, A García, C I Hounsfield, J Lentijo, M Kowalewski
{"title":"Illegal Shooting of a Maned Wolf (Chrysocyon brachyurus) in Argentina Reveals a Key Conservation Threat.","authors":"M B Natalini, M Raño, F Sanchez Gavier, L Cacerez, L E Acuña, A García, C I Hounsfield, J Lentijo, M Kowalewski","doi":"10.1007/s10393-026-01848-9","DOIUrl":"https://doi.org/10.1007/s10393-026-01848-9","url":null,"abstract":"<p><p>A necropsy of a female maned wolf (Chrysocyon brachyurus) from northern Argentina revealed a gunshot wound with embedded metallic fragments, severe emaciation, and renal damage from Dioctophyme renale. The case illustrates how illegal persecution continues to endanger this species, categorized as Vulnerable in Argentina and Near Threatened globally. Beyond the individual loss, such events expose persistent human-wildlife conflict and the urgent need for a coordinated national conservation plan that explicitly addresses direct violence, enforces legal protection, and promotes community engagement to safeguard the species' long-term survival.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149197567","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Scaling of SARS-CoV-2 Genomic Divergence with Cumulative COVID-19 Infections. SARS-CoV-2基因组差异与COVID-19累积感染的比例
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-10-15 DOI: 10.1007/s10393-026-01839-w
Robert D Morris
{"title":"Scaling of SARS-CoV-2 Genomic Divergence with Cumulative COVID-19 Infections.","authors":"Robert D Morris","doi":"10.1007/s10393-026-01839-w","DOIUrl":"https://doi.org/10.1007/s10393-026-01839-w","url":null,"abstract":"<p><p>The rate at which viral lineages accumulate genetic divergence is central to understanding pathogen evolution, yet direct empirical measurements are limited. The COVID-19 pandemic, through the combination of pandemic-scale replication and dense genomic surveillance, offers an opportunity to calibrate this relationship directly. Unlike previous analyses that use time as the independent variable, this study uses cumulative infections, providing an epidemiological clock calibrated in units of replication opportunity that is not confounded by variation in transmission intensity. A total of 1279 SARS-CoV-2 genomes from the Nextstrain open dataset, sampled between February 2020 and February 2023, were paired with contemporaneous estimates of cumulative global infections from the Institute for Health Metrics and Evaluation (IHME) to model genomic divergence from Wuhan-Hu-1 as a function of cumulative infections. Divergence increased sublinearly across roughly 14 billion infections over three years, with the most diverged circulating genomes accumulating only about 120 substitutions relative to Wuhan-Hu-1. Extrapolating the fitted relationships, generating the roughly 1000 substitutions that separate SARS-CoV-2 from its closest known sarbecovirus relatives would require on the order of 100-300 billion human infection-equivalents. These requirements would increase substantially in wildlife reservoir hosts, where viral replication per infection is orders of magnitude lower. Conservative estimates of the replication opportunity available in Rhinolophus bat populations imply that the common ancestor of SARS-CoV-2 and its nearest sequenced relatives predates modern virological surveillance by roughly a century. More realistic estimates raise this estimate to millennia, suggesting the closest known relatives of SARS-CoV-1 and SARS-CoV-2 cannot have served as their progenitors.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149197577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Emergence of ESBL-Producing Escherichia coli in Shrimp Aquaculture, Kerala, India. 产esbl大肠杆菌在印度喀拉拉邦对虾养殖中的出现。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-10-15 DOI: 10.1007/s10393-026-01852-z
Akalesh Patel, Kantaraja Chindera, George Ninan, S R Radhika Rajasree, Krishna Thoppil Babu, Sreejith Viyyokkaran Narayanan, Raja Swaminathan Thangaraj, Shubhadeep Ghosh, Gopalan Krishnan Sivaraman
{"title":"Emergence of ESBL-Producing Escherichia coli in Shrimp Aquaculture, Kerala, India.","authors":"Akalesh Patel, Kantaraja Chindera, George Ninan, S R Radhika Rajasree, Krishna Thoppil Babu, Sreejith Viyyokkaran Narayanan, Raja Swaminathan Thangaraj, Shubhadeep Ghosh, Gopalan Krishnan Sivaraman","doi":"10.1007/s10393-026-01852-z","DOIUrl":"https://doi.org/10.1007/s10393-026-01852-z","url":null,"abstract":"<p><p>The present study evaluated 63 shrimp aquaculture farm sites in the Thrissur and Alappuzha districts of Kerala State, India. A total of 206 samples were analyzed, and 50 extended-spectrum β-lactamase (ESBL)-producing Escherichia coli strains were identified with antibiotic susceptibility testing (AST) profiles. All the strains were multidrug-resistant (MDR), with multiple antibiotic resistance (MAR) indices ranging from 0.32 to 0.64. PCR detection revealed a high prevalence of ESBL genes, bla<sub>CTX-M-gp-1</sub> (86%), bla<sub>TEM</sub> (58%), bla<sub>SHV</sub> (50%), DHA (58%) and bla<sub>CMY-2</sub> (48%). Quinolone and fluoroquinolone genes are aac(6')-Ib-cr (100%), qnrS (78%), OqxA (52%), OqxB (18%) and qnrB (8%). Non-ESBL genes included tetA+tetB (98%, 2%), sul1+sul2 (90%, 76%) and cmlA (48%). Plasmid replicon typing showed that IncFIB and IncN (96%), IncI1 (92%), IncFIC (78%) and IncFIA (56%) as predominant plasmid types. Phylogrouping revealed the presence of pathogenic lineages B2 (40%) and D (14%), whereas phylogroups E (86%) and C (82%) were more prevalent. Pulsed-field gel electrophoresis (PFGE) demonstrated high genetic heterogeneity among the strains, indicating non-clonal dissemination across farms. These findings indicate a surge in ESBL-producing E. coli exhibiting elevated resistance mechanisms, posing a significant public health threat. This underscores the urgent need for coordinated cross-sectoral interventions to mitigate AMR risks, curb the dissemination of resistance genes, and safeguard aquatic ecosystems and public health.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149197449","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carbamate Toxicosis in Carnaby's Cockatoos (Zanda latirostris) in a Drying Climate. 干燥气候下卡纳比凤头鹦鹉氨基甲酸酯中毒。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-10-15 DOI: 10.1007/s10393-026-01834-1
A Le Souëf, Z M Kissane, D Forshaw, K J Riley, K Payne, T Hawkins, J Coggins, J M Shephard, R Vaughan-Higgins, K S Warren
{"title":"Carbamate Toxicosis in Carnaby's Cockatoos (Zanda latirostris) in a Drying Climate.","authors":"A Le Souëf, Z M Kissane, D Forshaw, K J Riley, K Payne, T Hawkins, J Coggins, J M Shephard, R Vaughan-Higgins, K S Warren","doi":"10.1007/s10393-026-01834-1","DOIUrl":"https://doi.org/10.1007/s10393-026-01834-1","url":null,"abstract":"<p><p>Pesticide exposure poses a growing threat to the health of wild avian populations worldwide. This report documents the first detections of agricultural chemicals in the tissues of wild Carnaby's cockatoos (Zanda latirostris) in Western Australia. The events, characterised by morbidity and mortality, occurred in a national park near Perth, following periods of elevated summer temperatures over two seasons. Toxicological analysis of liver and digestive tract contents identified multiple pesticides and an herbicide, including methomyl, a highly toxic carbamate insecticide. Hot weather conditions preceding the events potentially increased the cockatoos' use of alternative water sources for drinking, such as those in commercial vegetable gardens adjacent to the park. This represents the first published instance of insecticide poisoning in wild black cockatoos and introduces a new transmission pathway for agricultural chemical exposure in Carnaby's cockatoos. It highlights the need for targeted conservation strategies such as bird watering stations, and longer-term research on the impacts of agricultural chemical exposure in wild avian populations.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-10-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149197401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Detection of Coccidioides immitis in Archived Soils from Madera County, California. 加州马德拉县存档土壤中球虫的检测。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-09-27 DOI: 10.1007/s10393-026-01843-0
Antje Lauer, Suzanne Martinez, Daniel Garcia, Daniel Kollath, Katy L Parise, Bridget M Barker
{"title":"Detection of Coccidioides immitis in Archived Soils from Madera County, California.","authors":"Antje Lauer, Suzanne Martinez, Daniel Garcia, Daniel Kollath, Katy L Parise, Bridget M Barker","doi":"10.1007/s10393-026-01843-0","DOIUrl":"https://doi.org/10.1007/s10393-026-01843-0","url":null,"abstract":"<p><p>In the 1970s, archaeologists excavating sites in Madera County, California, which is now submerged by Hensley Reservoir, contracted coccidioidomycosis (Valley fever), a fungal disease caused by Coccidioides immitis. Soil samples from these sites were archived but not processed due to concerns about infectious arthroconidia. This study investigates whether these decades-old samples, stored at room temperature, still contain Coccidioides and pose a risk to researchers and collections managers. We analyzed 176 subsamples using molecular and culture-based methods, with DNA extractions performed in duplicate across two laboratories. Results confirmed the continued presence of Coccidioides DNA, indicating that long-term archived soils can retain infectious potential. Based on these findings, we developed protocols for safe handling of such materials. Our work highlights the intersection of environmental exposure, occupational health, and Coccidioides' persistence in soil. It underscores the need for biosafety measures when handling archived soils from endemic regions, especially those of archaeological interest. Individuals working with these materials, whether in field settings or museum collections, may be at risk of exposure and illness without proper precautions. This study provides a framework for assessing and mitigating risks associated with archived soils and contributes to broader discussions on environmental reservoirs of fungal pathogens. By combining culture-based and molecular approaches, we demonstrate the importance of proactive safety protocols in protecting public and occupational health.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149070545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Differences in Ecological Drivers for Leptospira and Hantavirus in an Urban Norway Rat Population. 挪威城市鼠群钩端螺旋体和汉坦病毒生态驱动因素的差异。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-09-21 DOI: 10.1007/s10393-026-01836-z
Caio G Zeppelini, Ana Maria Borges da Paixão Barreto, Diogo C C Santiago, Rafaela S Alves, Viviane F Espírito Santo, Caroline Lacorte Rangel, Renata Carvalho de Oliveira, Daiana de Oliveira, Ianei O Carneiro, Leonela Bazan, Max Eyre, Federico Costa, Michael Begon, Hussein Khalil
{"title":"Differences in Ecological Drivers for Leptospira and Hantavirus in an Urban Norway Rat Population.","authors":"Caio G Zeppelini, Ana Maria Borges da Paixão Barreto, Diogo C C Santiago, Rafaela S Alves, Viviane F Espírito Santo, Caroline Lacorte Rangel, Renata Carvalho de Oliveira, Daiana de Oliveira, Ianei O Carneiro, Leonela Bazan, Max Eyre, Federico Costa, Michael Begon, Hussein Khalil","doi":"10.1007/s10393-026-01836-z","DOIUrl":"https://doi.org/10.1007/s10393-026-01836-z","url":null,"abstract":"<p><p>Rodent control in urban areas is an important public health measure, among other reasons, for their capacity of harboring several zoonotic pathogens. Efficient, evidence-based control programs must consider both rodent and pathogen ecology, to achieve both rodent population and pathogen transmission risk reduction. The present study aims to determine the ecological drivers of Leptospira and Hantavirus positivity in an urban Norway Rat population. One hundred and twenty rats were trapped in four urban poor communities in Salvador, Brazil, tested for Leptospira sp. and Hantavirus. Generalized Linear Models for Leptospira (N=109) and Hantavirus (N=108) positivity were created with a pool of environmental and demographic variables, followed by stepwise model selection using Akaike's Information Criterion. Age, presence of Calodium hepaticum scars, wounds, accumulated materials, open sewer canals and unpaved soil were positively associated with Leptospira positivity. Age and presence of accumulated materials were positively associated with Hantavirus positivity, while rodent control campaigns and being male were protective factors. Factors associated with positivity for Leptospira are also associated with rodent infestation. Different subsets of environmental and demographic factors influence pathogens with different epidemiological characteristics. Control measures that effectively reduce zoonotic risk must consider the ecological characteristics of the pathogens present in the system.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149018731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Arthropod-Related Zoonotic Sepsis Caused by Capnocytophaga Canimorsus. 由嗜狼性动物引起的节肢动物相关人畜共患败血症。
IF 2.3 3区 环境科学与生态学
Ecohealth Pub Date : 2026-09-19 DOI: 10.1007/s10393-026-01840-3
Gabriele Giuliano, Manuel Crispo, Michele Trezzi, Francesco Santoro, Margherita Sambo, Francesca Montagnani, Maria Grazia Cusi, Mario Tumbarello
{"title":"Arthropod-Related Zoonotic Sepsis Caused by Capnocytophaga Canimorsus.","authors":"Gabriele Giuliano, Manuel Crispo, Michele Trezzi, Francesco Santoro, Margherita Sambo, Francesca Montagnani, Maria Grazia Cusi, Mario Tumbarello","doi":"10.1007/s10393-026-01840-3","DOIUrl":"https://doi.org/10.1007/s10393-026-01840-3","url":null,"abstract":"<p><p>Loxosceles spp. bites can occasionally lead to systemic loxoscelism, including hemolysis and severe systemic illness. Secondary bacterial infections after spider bites are rarely reported and usually limited to skin commensals. We describe a patient with violin spider (Loxosceles rufescens) bite complicated by Capnocytophaga canimorsus sepsis, an emerging zoonotic pathogen classically linked to dog and cat bites. Blood cultures confirmed the infection, although subsequent non-viability of the isolate precluded antimicrobial susceptibility testing and genomic characterization. This case highlights diagnostic pitfalls, the under-recognized zoonotic role of arthropods, the need for culture-independent methods and a One Health perspective on antimicrobial resistance.</p>","PeriodicalId":51027,"journal":{"name":"Ecohealth","volume":" ","pages":""},"PeriodicalIF":2.3,"publicationDate":"2026-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149018788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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