IJID One Health最新文献

{"title":"Temporal and climatic dynamics of arboviral disease and entomological indicators in Aruba","authors":"Natalie V.S. Vinkeles Melchers ,&nbsp;Lars van der Sluys Veer ,&nbsp;Eugene Maduro ,&nbsp;Luis Chong","doi":"10.1016/j.ijidoh.2026.100129","DOIUrl":"10.1016/j.ijidoh.2026.100129","url":null,"abstract":"<div><h3>Objectives</h3><div>Arboviral diseases—including dengue, Zika, and chikungunya—cause an estimated 100–400 million infections annually. This study modeled associations between mosquito larval density, human arboviral cases, and climatic factors (temperature and precipitation) in Aruba (2019–2020) using routine surveillance data.</div></div><div><h3>Methods</h3><div>Multiple linear regression examined relationships between the monthly Breteau Index (BI) and climatic variables. Monthly arboviral case counts were analyzed using a negative binomial generalized linear model including BI and climatic predictors. Models incorporated lag structures and interaction terms.</div></div><div><h3>Results</h3><div>Monthly BI was positively associated with precipitation days (β = 1.33, 95% confidence interval [CI]: 1.105–1.595, <em>P</em> = 0.007). Arboviral case counts were positively associated with BI (incidence rate ratio = 1.41, 95% CI: 1.03–1.94, <em>P</em> = 0.03) and negatively associated with the number of precipitation days at a three-month lag (incidence rate ratio = 0.86, 95% CI: 0.77–0.97, <em>P</em> = 0.02). Thus, higher BI values corresponded to a 41% increase in arboviral case occurrence, while precipitation occurring three months earlier was associated with a 14% decrease in case numbers.</div></div><div><h3>Conclusion</h3><div>Despite limitations, including overdispersion and data constraints, the BI—interpreted alongside precipitation lags—may support early-warning surveillance for arboviral transmission in Aruba using a One Health framework. Future work should address entomological surveillance gaps, apply spatial risk analyses, explore threshold values, and integrate socio-environmental determinants using a One Health approach.</div></div>","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"11 ","pages":"Article 100129"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148178283","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Environmental antimicrobial resistance in urban pigeons: intestinal Escherichia coli from Arequipa, Peru","authors":"Camila Molina ,&nbsp;Verónica Román ,&nbsp;Alejandra Castro ,&nbsp;Anakamila Flores ,&nbsp;Marcelo Cardenas ,&nbsp;Brenda Ayzanoa ,&nbsp;Katherine Lugo ,&nbsp;Nicholas Light-Rodriguez ,&nbsp;Giannina Trevejo ,&nbsp;Dany Apaza ,&nbsp;Guillermo Salvatierra","doi":"10.1016/j.ijidoh.2026.100131","DOIUrl":"10.1016/j.ijidoh.2026.100131","url":null,"abstract":"<div><h3>Objectives</h3><div>Urban pigeons (<em>Columba livia</em>) are synanthropic birds that live in close contact with human populations and interact continuously with urban environments, making them potential sentinels of environmental antimicrobial resistance. This study aimed to describe phenotypic antimicrobial resistance profiles and co-resistance patterns of <em>Escherichia coli</em> isolated from pigeon fecal samples in Arequipa, Peru.</div></div><div><h3>Methods</h3><div>A descriptive cross-sectional study was conducted in April 2025. Cloacal fecal samples were collected from pigeons at four sites representing different urban contexts. <em>E. coli</em> isolates were recovered and tested for antimicrobial susceptibility using the disk diffusion method. Multidrug resistance (MDR) and extended-spectrum β-lactamase (ESBL) phenotypes were determined using standard phenotypic criteria.</div></div><div><h3>Results</h3><div>A total of 47 <em>E. coli</em> isolates were analyzed. Resistance was most frequently observed to tetracyclines (31.91%), followed by quinolones, including nalidixic acid (19.15%), and by amphenicols (17.02%) and macrolides (17.02%). Co-resistance to two or more antimicrobial classes was observed in 27.65% (13 of 47) of isolates, with recurrent patterns involving tetracyclines, quinolones, sulfonamides, and amphenicols. Overall, 12.77% (six of 47) of isolates met criteria for MDR, and 8.51% (four of 47) exhibited an ESBL phenotype.</div></div><div><h3>Conclusion</h3><div>Phenotypic antimicrobial resistance, including MDR and ESBL-producing <em>E. coli</em>, was detected in intestinal isolates from urban pigeons in Arequipa. These findings support the potential role of synanthropic birds as sentinel species for monitoring environmental antimicrobial resistance in urban settings of low- and middle-income countries.</div></div>","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"11 ","pages":"Article 100131"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148178180","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Tick bite fever in southern Africa","authors":"John Frean ,&nbsp;Jeremy Nel ,&nbsp;Lucille Blumberg ,&nbsp;Jantjie Taljaard","doi":"10.1016/j.ijidoh.2026.100130","DOIUrl":"10.1016/j.ijidoh.2026.100130","url":null,"abstract":"<div><div>Tick bite fever (TBF) is a well-known zoonotic disease in southern Africa, caused by ixodid tick-transmitted rickettsial pathogens of the spotted fever group, which target endothelial cells, producing widespread vasculitis. Two epidemiologic and clinical forms of the condition can be distinguished, namely, African TBF and Mediterranean spotted fever–like infection. TBF is generally a mild illness, but delayed diagnosis and inappropriate treatment may lead to severe, potentially fatal, disease resembling bacterial sepsis, viral hemorrhagic fever, malaria, or other serious infections. Along with compatible epidemiologic history, common clinical diagnostic features at initial presentation are fever, headache, rash, myalgia and eschar; tender regional lymphadenopathy is common. Clinical diagnosis is sufficient to warrant treatment because serological response is slow to develop; although polymerase chain reaction of eschar material is an additional or alternative diagnostic option, this method may not be readily available. The treatment of choice is doxycycline, with macrolides as second-line antibiotics. Personal prevention revolves around awareness of risks and measures to limit exposure to ticks. As a zoonosis with a wide range of reservoir hosts, the disease cannot be eliminated but risk can be reduced by application of One Health principles.</div></div>","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"11 ","pages":"Article 100130"},"PeriodicalIF":0.0,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148178282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modeling the impact of environmental conditions on airborne virus spread: implications for public health and climate change","authors":"Mahmoud Aljord ,&nbsp;Marwan Al-Raeei","doi":"10.1016/j.ijidoh.2026.100106","DOIUrl":"10.1016/j.ijidoh.2026.100106","url":null,"abstract":"<div><h3>Objectives</h3><div>This study aims to investigate how environmental physical factors, specifically temperature, influence the transmission dynamics of airborne viral pathogens, including SARS-CoV-2 and SARS-CoV-1.</div></div><div><h3>Design/methods</h3><div>The research employs integrated physical and epidemiological models, such as the Environmental Factor-Based Transmission-Rate Model, Wells-Riley infection probability framework, and the susceptible-infected-recovered model. Simulations were conducted using the MATLAB Ordinary Differential Equation 45 (ODE45) solver to ensure high accuracy over extended periods.</div></div><div><h3>Results</h3><div>The simulations reveal a significant temperature-dependent pattern in viral transmission. At low temperatures (around 0 °C), viral activity is minimal, resulting in negligible infection peaks. Optimal transmission occurs at moderate temperatures (15–25 °C), with maximum stability and increased airborne transmission, peaking around 22.2 °C. Conversely, temperatures above 30 °C lead to a sharp decline in infection rates, with near-complete inactivation at temperatures exceeding 38.9 °C.</div></div><div><h3>Conclusions</h3><div>The findings indicate that environmental temperature is a critical factor in modulating viral transmission, with intermediate temperatures facilitating outbreaks and extreme heat serving as a natural disinfectant. The study highlights the need for effective environmental management strategies to mitigate airborne transmission risks and underscores the importance of incorporating environmental parameters into epidemiological models for improved public health interventions.</div></div>","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"10 ","pages":"Article 100106"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146188808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Heterogeneity in malaria transmission dynamics across eco-climatic facies in Manjo and Manengoteng, Cameroon","authors":"Rolyne Sorelle Wakam Noubou ,&nbsp;Jean Arthur Mbida Mbida ,&nbsp;Herman Parfait Awono-Ambene ,&nbsp;Ornella Carole Ghariegam ,&nbsp;Rachel Ngaha ,&nbsp;Francis Noël Nopowo Takap ,&nbsp;Odette Etoile Ngo-Hondt ,&nbsp;Serge Romeo Mbongue ,&nbsp;Idriss Nasser Ngangue Siewe ,&nbsp;Diane Leslie Nkahe ,&nbsp;Paulette Ndjeunia Mbiakop ,&nbsp;Loick Pradel Kojom Foko ,&nbsp;Fru Chi Tchampo ,&nbsp;Steve Joko ,&nbsp;Wolfgang Ekoko ,&nbsp;Borel Djiappi Tchamen ,&nbsp;Carmene Sandra Ngandeu ,&nbsp;Arnold Princewil Chi Nji ,&nbsp;Helene Gaëlle Kaminsi Nenkam ,&nbsp;Christelle Laura Lowe Toukam ,&nbsp;Patrick Akono Ntonga","doi":"10.1016/j.ijidoh.2026.100103","DOIUrl":"10.1016/j.ijidoh.2026.100103","url":null,"abstract":"<div><h3>Objectives</h3><div>Tailored vector control strategies require entomological insights specific to each ecological setting. In the borough of Manjo, such data are unavailable. Hence, this study aims to document entomologic data for this borough relating to the identity of vectors, their role in malaria transmission, and variation between different sites.</div></div><div><h3>Methods</h3><div>Mosquitoes were collected using the human landing catches method and they were identified using specific keys and polymerase chain reaction. Infectivity was determined by enzyme-linked immunosorbent assay.</div></div><div><h3>Results</h3><div>Overall, 1766 mosquitoes belonging to five genera (<em>Anopheles, Culex, Aedes, Mansonia,</em> and <em>Erethmapodites</em>) and five <em>Anopheles</em> species were collected. <em>Anopheles</em> represented 36.0% (n = 636) of these and <em>Culex</em> represented 58.1% (n = 1026)<em>.</em> In Manengoteng, <em>Anopheles funestus</em> s.l. were more prevalent (60.3%), followed by <em>Anopheles gambiae</em> s.l. (24.5%), and showed more exophilic behavior. In Manjo, <em>Culex quinquefasciatus</em> (94.4%), which is more endophilic, was most abundant, followed by <em>Anopheles gambiae</em> s.l. (2.2%). A high density of <em>Anopheles</em> was registered during the rainy season (79.87%). Malaria was only transmitted during this season by <em>Anopheles gambiae</em> s.s. (entomological inoculation rate [EIR] = 0.05 ib/p/n), <em>Anopheles funestus</em> s.s. (EIR = 0.02 ib/p/n) at Manengoteng, and <em>Anopheles coluzzii</em> (EIR= 0.02 ib/p/n) at Manjo.</div></div><div><h3>Conclusions</h3><div>High species diversity is driving persistent transmission despite widespread use of long-lasting insecticidal nets.</div></div>","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"10 ","pages":"Article 100103"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146037812","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Ecological drivers and mosquito abundance suggest high Rift Valley fever risk in Eastern Ethiopia","authors":"Dadi Marami ,&nbsp;Adane Mihret ,&nbsp;Nega Assefa ,&nbsp;Alemseged Abdissa ,&nbsp;Adargachew Mulu ,&nbsp;Rea Tschopp","doi":"10.1016/j.ijidoh.2026.100110","DOIUrl":"10.1016/j.ijidoh.2026.100110","url":null,"abstract":"<div><h3>Objectives</h3><div>Rift Valley fever (RVF) virus is a mosquito-borne zoonosis of public health importance. High RVF virus immunoglobulin G seroprevalence has been reported among humans and livestock in Ethiopia. However, data on mosquito abundance and their infection status remain limited. This study assessed mosquito abundance, ecological drivers, and RVF virus infection status in Eastern Ethiopia.</div></div><div><h3>Methods</h3><div>A community-based cross-sectional study was conducted in the Shinile District and Dire Dawa Administration, Eastern Ethiopia, from April 1 to September 30, 2023. Adult mosquitoes were collected indoors and outdoors using light traps and Prokopack aspirators. Larvae were collected from water-holding containers and reared to adulthood in a controlled insectary environment. Mosquitoes were identified to the genus/species level based on their morphological characteristics. <em>Aedes</em>, <em>Culex</em>, and <em>Anopheles</em> were the target mosquito genera. Female mosquitoes of these genera were pooled and screened for RVF virus RNA using reverse transcription–polymerase chain reaction.</div></div><div><h3>Results</h3><div>Of the 12,773 mosquitoes collected, 7811 (61.2%) were the target genera. Of these, 4094 (52.4%) were females. Among the female mosquitoes of the target genera, <em>Anopheles</em> were the most abundant (2367, 30.3%), followed by <em>Culex</em> (1154, 14.8%) and <em>Aedes</em> (573, 7.3%). Mosquito abundance increased with rainfall (r = 0.53–0.68) and decreased with temperature. Among the 1760 water-holding containers inspected for the presence of larvae, 247 (14.0%) harbored larvae. Barrels 29 (3.7%) and birkads (large, cemented water tanks) 8 (3.3%) were the major <em>Aedes</em> breeding containers. All 168 pooled samples tested negative for RVF virus.</div></div><div><h3>Conclusions</h3><div>Potential mosquito species were abundant despite the absence of detectable viral RNA. The increase in adult mosquitoes with rainfall poses an ecological risk for RVF virus emergence. Targeted elimination of mosquito breeding containers and longitudinal One Health–based surveillance are recommended to monitor and detect cryptic transmission.</div></div>","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"10 ","pages":"Article 100110"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147397156","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Highly pathogenic avian influenza virus infections in mammals: patterns, predictions, and implications for human epidemics","authors":"Steven A. Baranowitz ,&nbsp;Preeti Choubey ,&nbsp;Wenyu Wu ,&nbsp;Arnav Choubey","doi":"10.1016/j.ijidoh.2026.100104","DOIUrl":"10.1016/j.ijidoh.2026.100104","url":null,"abstract":"<div><div>The continuing spread of avian influenza virus through the animal kingdom, particularly, in mammals, represents an imminent worldwide threat with the potential to mutate into a significant human pandemic. We recognized the need for tools to quantitatively describe and predict the courses of sequential individual waves of infection in mammals to facilitate future allocation of resources for combating the spread. Using public data from the US Department of Agriculture for about a 2-year period, we showed that the Gompertz equation is an effective tool for describing each of the three epidemic waves during that period. The nature of these regression equations is that early data can be used to predict the number of future cases, time course, and inflection point of individual waves. In comparing the parameters of the resulting regressions, we noticed that the waves became more exponential in character and less sigmoidal (less tendency to level off) as they progressed in time.</div></div>","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"10 ","pages":"Article 100104"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146037811","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Commemorating the World Antimicrobial Resistance Awareness Week 2025: Key insights and lessons from the International Society for Infectious Diseases’ ProMED-AMR 2024 reporting","authors":"Mohamed M. Sirdar,&nbsp;Julia Maxwell,&nbsp;Ghassan M. Matar,&nbsp;Tin Tin Myaing,&nbsp;Salma Ferchichi,&nbsp;Linda MacKinnon,&nbsp;Jarod Hanson","doi":"10.1016/j.ijidoh.2025.100093","DOIUrl":"10.1016/j.ijidoh.2025.100093","url":null,"abstract":"","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"10 ","pages":"Article 100093"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147538340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Q Fever Controversies","authors":"Robert Norton","doi":"10.1016/j.ijidoh.2025.100096","DOIUrl":"10.1016/j.ijidoh.2025.100096","url":null,"abstract":"","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"10 ","pages":"Article 100096"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147538765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecular typing of adenoviruses associated with respiratory illness among humans and poultry, Pakistan","authors":"Jamil Ansari ,&nbsp;Emily R. Robie ,&nbsp;Emily S. Bailey ,&nbsp;Nazish Badar ,&nbsp;Farooq Tahir ,&nbsp;Lyudmyla V. Marushchak ,&nbsp;Judith U. Oguzie ,&nbsp;Gregory C. Gray","doi":"10.1016/j.ijidoh.2026.100108","DOIUrl":"10.1016/j.ijidoh.2026.100108","url":null,"abstract":"<div><h3>Objectives</h3><div>This pilot study sought to examine the distribution of circulating adenovirus types among humans and other animals in Pakistan.</div></div><div><h3>Methods</h3><div>Patients with influenza-like illness or pneumonia at seven hospitals were enrolled and sampled (oropharyngeal or nasopharyngeal swabs), and their epidemiological data were collected. Concomitantly, livestock with respiratory symptoms in live bird markets and farms were also sampled. These specimens were screened for evidence of adenovirus infection.</div></div><div><h3>Results</h3><div>Of 1705 total samples, 96 (8.8%) of 1084 humans and 15 (4%) of 385 poultry had molecular evidence of adenovirus. Infection in humans was significantly associated with wheezing, coughing, fever, and sore throat, and prevalence was greatest among participants residing outside Punjab. Genetic sequencing identified co-circulation of human-like adenovirus (HAdV-7) and HAdV-3 strains among humans. Further sequencing identified HAdV-C1, HAdV-5, HAdV-89, HAdV-12, and HAdV-56. Bovine adenovirus 2 was unexpectedly detected in a human nasal swab. Among poultry, fowl aviadenovirus (FAdV)-4 and FAdV-11 were identified.</div></div><div><h3>Conclusions</h3><div>Compared with other studies, there was a relatively high prevalence of adenoviruses among sick humans and poultry, with the unusual discovery of bovine adenovirus in a sick human’s airway. There was considerable diversity among detected adenovirus strains. Given periodic adenovirus outbreaks in Pakistan, monitoring types in respiratory illness is key.</div></div>","PeriodicalId":100655,"journal":{"name":"IJID One Health","volume":"10 ","pages":"Article 100108"},"PeriodicalIF":0.0,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146188810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}