One HealthPub Date : 2024-12-01DOI: 10.1016/j.onehlt.2024.100944
Pavlo Petakh , Wolfgang Huber , Oleksandr Kamyshnyi
{"title":"Geographical factors and air raid alarms influence leptospirosis epidemiology in Ukraine (2018–2023)","authors":"Pavlo Petakh , Wolfgang Huber , Oleksandr Kamyshnyi","doi":"10.1016/j.onehlt.2024.100944","DOIUrl":"10.1016/j.onehlt.2024.100944","url":null,"abstract":"<div><div>Leptospirosis, a widespread zoonotic disease caused by <em>Leptospira</em> spp., affects approximately 1 million people annually and causes about 58,000 deaths worldwide. This study examines the epidemiology of leptospirosis in Ukraine from 2018 to 2023, focusing on the impact of weather and geographical factors on disease transmission. Data from the Ukrainian Centre for Disease Prevention and Control, the Ukrainian Hydrometeorological Center, and the State Agency of Water Resources of Ukraine were analyzed. The country was divided into five regions: North, East, Center, South, and West. For the visualization, but not the quantitative analyses, the notification rate (NR) of leptospirosis was classified into three categories: low, moderate, and high.</div><div>The highest NR were in Zakarpattia, Ivano-Frankivsk, Khmelnytskyi, Mykolaiv, and Kherson regions, with Zakarpattia having the highest rate. We analyzed whether various weather parameters—such as average annual temperature, precipitation, days with precipitation ≥1 mm, and relative humidity—were associated with the notification rate (NR) of leptospirosis, but no significant correlations were detected.</div><div>However, a significant positive correlation was observed between higher density of the river network and NR (Kendall's rank correlation, <em>r</em> = 0.65, <em>p</em> = 0.0005), indicating that geographical factors may play an important role in <em>Leptospira</em> transmission. Additionally, we found a significant correlation between monthly air raid alarm frequency and the NR of leptospirosis cases in 2023. Case reports of individuals contracting leptospirosis in bomb shelters further support the hypothesis that air raid evacuations impact leptospirosis epidemiology. Further investigation is needed to fully understand this relationship and its implications.</div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"19 ","pages":"Article 100944"},"PeriodicalIF":4.1,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142746215","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
One HealthPub Date : 2024-12-01DOI: 10.1016/j.onehlt.2024.100942
Kirk O. Douglas , Diana Francis , Naitram Ramnanan
{"title":"A landscape analysis and one health approach to an invasive species pathway: Pet and aquaria trade in the eastern Caribbean","authors":"Kirk O. Douglas , Diana Francis , Naitram Ramnanan","doi":"10.1016/j.onehlt.2024.100942","DOIUrl":"10.1016/j.onehlt.2024.100942","url":null,"abstract":"<div><h3>Background</h3><div>The pet and aquaria trade is a pathway for the introduction of invasive alien species (IAS) into sensitive Caribbean ecosystems. This study aims to assess the impact of this trade on IAS management in the Caribbean.</div></div><div><h3>Methods</h3><div>A multipronged approach was used, involving stakeholder engagement, trade flow analysis, questionnaires, a regional IAS workshop, and a One Health Invasive Alien Species Prioritization (OHIASP) method, to examine the pet and aquaria trade in Barbados and the Organisation of Eastern Caribbean States (OECS). These methods allow for a comprehensive tool necessary to prioritise IAS challenges worldwide particularly in Barbados and the OECS.</div></div><div><h3>Results</h3><div>The study assessed seven Caribbean countries: Barbados, St. Lucia, Grenada, Dominica, St. Kitts and Nevis, St. Vincent and the Grenadines, and Antigua and Barbuda. Barbados reported the highest annual import values for pets (USD $371,604) and aquaria (USD $450,860) using data from 2016 to 2020. The species range was very narrow and likely a reflection of data collection systems. Trinidad and Tobago was the primary regional source for pet and aquaria imports. In total, 35 IAS were chosen for prioritization. Based on their weighted score, prioritized IAS were ranked in order of relative importance using a one-to-five selection scale. A priority list of 13 IAS was identified from the pet/aquaria imported into Barbados and the OECS.</div></div><div><h3>Conclusions</h3><div>This marks the first ever study using an OHIASP tool for examining, quantifying and ranking IAS risks in pet and aquaria trade pathways. This can assist zoonotic disease risk prioritization where necessary. Effective IAS management in the Caribbean requires multipronged approaches, data and information systems that integrate indigenous knowledge, leverage digital tools, and build community ownership, to overcome inherent regional vulnerabilities.</div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"19 ","pages":"Article 100942"},"PeriodicalIF":4.1,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142746216","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
One HealthPub Date : 2024-12-01DOI: 10.1016/j.onehlt.2024.100939
Mónica Salomé Guerrero-Freire , Yanua Ledesma , Gustavo Echeverría , Federico Carlos Blanco , Jacobus H. de Waard
{"title":"Shedding light on risk: Seroprevalence of Q fever among farm animals and workers in Ecuador","authors":"Mónica Salomé Guerrero-Freire , Yanua Ledesma , Gustavo Echeverría , Federico Carlos Blanco , Jacobus H. de Waard","doi":"10.1016/j.onehlt.2024.100939","DOIUrl":"10.1016/j.onehlt.2024.100939","url":null,"abstract":"<div><div>Q fever, caused by the bacterium <em>Coxiella burnetii</em>, is a zoonotic disease that has been largely overlooked despite presenting significant risks to both animal and public health. Although well studied in some countries, in most countries in Latin America, there's a lack of information on <em>C. burnetii</em> infection, its prevalence, and its impact on both livestock and human populations. To address this gap, we conducted a serosurvey among farm workers, cattle, sheep, and dogs on two dairy farms in Ecuador using a commercial ELISA kit. Additionally, we conducted a case-control study in cattle to investigate the association between <em>C. burnetii</em> infection and abortion. The findings revealed that 18 % of farm workers, 30 % of dogs, 25 % of cattle and 2 % of sheep tested positive for Q fever antibodies. Interestingly, no significant association between <em>C. burnetii</em> infection and abortion was observed in cattle (<em>p</em> < 0.05) but a high <em>Neospora caninum</em> seroprevalence indicated a strong link to abortion due to this parasite infection. The results highlight the presence of Q fever in both humans and animals on the surveyed farms, with farm dogs showing the highest seroprevalence. A point of concern arises from the significant prevalence of antibodies detected among farm workers, suggesting a potential history of unconfirmed symptomatic respiratory infections caused by a <em>C. burnetii</em> infection. However, further investigations are necessary to better understand the infection dynamics and its potential implications for public and animal health<strong>.</strong></div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"19 ","pages":"Article 100939"},"PeriodicalIF":4.1,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11663977/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142882553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
One HealthPub Date : 2024-11-30DOI: 10.1016/j.onehlt.2024.100947
Rafael Gutiérrez-López , María José Ruiz-López , Juan Ledesma , Sergio Magallanes , Cristina Nieto , Santiago Ruiz , Carolina Sanchez-Peña , Ulises Ameyugo , Juan Camacho , Sarai Varona , Isabel Cuesta , Isabel Jado-García , María Paz Sanchez-Seco , Jordi Figuerola , Ana Vázquez
{"title":"First isolation of the Sindbis virus in mosquitoes from southwestern Spain reveals a new recent introduction from Africa","authors":"Rafael Gutiérrez-López , María José Ruiz-López , Juan Ledesma , Sergio Magallanes , Cristina Nieto , Santiago Ruiz , Carolina Sanchez-Peña , Ulises Ameyugo , Juan Camacho , Sarai Varona , Isabel Cuesta , Isabel Jado-García , María Paz Sanchez-Seco , Jordi Figuerola , Ana Vázquez","doi":"10.1016/j.onehlt.2024.100947","DOIUrl":"10.1016/j.onehlt.2024.100947","url":null,"abstract":"<div><div>Sindbis virus (SINV), is an <em>Alphavirus</em> of the family <em>Togaviridae</em>. This zoonotic arbovirus is transmitted by mosquitoes, primarily from the <em>Culex</em> genus, with bird species acting as amplifying vertebrate hosts. Occasionally it can also affect humans that are accidental hosts. SINV genotype I (SINV-I) has been isolated in mosquitoes and birds in South Africa and Northern Europe, producing fever outbreaks. In the last decades, there were several detections of SINV in Europe. In 2022, during the West Nile virus (WNV) mosquito surveillance program in Andalucía (Spain) implemented by the regional health administration, we detected the presence of both SINV and WNV in a <em>Culex perexiguus</em> pool, representing the first detection of SINV in Spain. After this finding, we screened 1149 mosquito pools to determine the status of SINV circulation in western Andalucía. We identified for the first time the presence of SINV in five different mosquito species. <em>Culex perexiguus</em> presented the highest infection rate by SINV. In addition, SINV was geographically widespread and distributed in four out of the five Andalucía's provinces studied, with Cadiz presenting the highest infection rate. All SINV genomes from Southwestern Spain characterised in this study belonged to SINV-I, previously detected in Europe and Africa. These isolated SINV-I strains presented low molecular variation among them and in the phylogenomic analyses they formed a monophyletic group that clustered with strains from Algeria and Kenya. These results suggest that, around 2017, a single new SINV introduction into the European continent occurred, probably from Northern (Algeria) or Central Africa.</div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"20 ","pages":"Article 100947"},"PeriodicalIF":4.1,"publicationDate":"2024-11-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11699435/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142931556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
One HealthPub Date : 2024-11-26DOI: 10.1016/j.onehlt.2024.100945
N. Dankittipong , J.A. Stegeman , C.J. de Vos , J.A. Wagenaar , E.A.J. Fischer
{"title":"Investigating a propagation of emerging carbapenemase-producing Enterobacteriaceae in Dutch broiler production pyramid through stochastic simulation","authors":"N. Dankittipong , J.A. Stegeman , C.J. de Vos , J.A. Wagenaar , E.A.J. Fischer","doi":"10.1016/j.onehlt.2024.100945","DOIUrl":"10.1016/j.onehlt.2024.100945","url":null,"abstract":"<div><div>Simulating resistant bacteria transmission in livestock informs surveillance strategies for emerging threats like Carbapenem-resistant Enterobacteriaceae (CPE), aiding targeted surveillance and detecting CPE through active methods. We employed a simulation model to assess three potential scenarios for introducing CPE: 1) a single import of live animals, 2) the use of contaminated feed, and 3) multiple imports of live animals. Employing the SimInf package, we constructed a population model for broiler production, encompassing rearing farms, multiplier farms, hatcheries, and broiler farms. Subsequently, we introduced CPE and allowed it to spread throughout the population using the Susceptible-Colonized (Infectious)-Susceptible model. The model ran for 10 years with 100 runs.</div><div>In the single import scenario, 1–2 rearing and multiplier farms saw major outbreaks in all 100 runs, while the broiler farm experienced major outbreaks in only 10 out of 100 runs; in the feed scenario, major outbreaks occurred in rearing farms in 32 runs and in multiplier farms in 26 runs, with major outbreaks in broiler farms observed in all 100 runs; in the multiple import scenario, outbreaks in rearing and multiplier farms happened in all 100 runs, with these major outbreaks reaching the broiler farm in 91 out of 100 runs. CPE transmission from imported or colonized broilers is rapid but short-lived within the broiler population, contrasting with the sporadic and prolonged emergence of CPE from contaminated feed, resulting in lower cumulative probabilities of detection from imported or colonized animals (0–0.50) compared to contaminated feed (0.9–0.97) over a 10-year period. Sensitivity analysis indicated that key outcomes such as farm outbreaks, chicken colonization, and outbreak duration are highly correlated with age-associated reductions in transmission (ψ).</div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"19 ","pages":"Article 100945"},"PeriodicalIF":4.1,"publicationDate":"2024-11-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142719753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
One HealthPub Date : 2024-11-22DOI: 10.1016/j.onehlt.2024.100943
Kayoko Shioda , Frederica Smith , Hermógenes Neves Mucache , Anushka Reddy Marri , Jhanel Chew , Karen Levy , Matthew C. Freeman
{"title":"Purchase, consumption, and ownership of chickens and chicken products among households in Maputo, Mozambique: A cross-sectional study","authors":"Kayoko Shioda , Frederica Smith , Hermógenes Neves Mucache , Anushka Reddy Marri , Jhanel Chew , Karen Levy , Matthew C. Freeman","doi":"10.1016/j.onehlt.2024.100943","DOIUrl":"10.1016/j.onehlt.2024.100943","url":null,"abstract":"<div><h3>Background</h3><div>Chickens are an important source of animal protein, nutrition, and income in many low- and middle-income countries (LMICs). They are also a major reservoir of enteropathogens that contribute to the burden of illnesses among children. Food systems present a risk for transmission of enteropathogens from poultry to humans, but there is a lack of population-level data on the pattern of purchase, ownership, and consumption of live chickens and their products in LMICs to better characterize that risk.</div></div><div><h3>Methods</h3><div>To assess chicken purchase, ownership, and consumption practices, we conducted a population-based survey using a structured questionnaire in Maputo, Mozambique in 2021. Multi-stage cluster sampling was used to obtain a representative sample of households in our study area. To minimize sampling bias and ensure a representative sample, we applied survey weighting using district-level population data and estimated weighted population-level values.</div></div><div><h3>Results</h3><div>Heads of 570 households in Maputo completed our survey. Approximately half of these households purchased broiler chicken meat (weighted percentage of households: 44.8 %) and eggs (46.5 %) in the previous week of the survey date, while indigenous chicken meat was less popular (1950, 1.1 %). The most common source of chicken products was corner stores (i.e., small convenience shops on streets), followed by wet markets. Live chickens were raised by 15.6 % of households, and chicken feces were observed on the floor or ground at the majority of these households during house visits.</div></div><div><h3>Discussion</h3><div>Our findings suggest that poultry provides a major source of animal protein in this setting. Given the predicted growth of poultry farming in LMICs in the coming decades, implementing One Health-based food safety measures at primary sources of chicken products, such as corner stores and wet markets, will be critical to controlling zoonotic pathogen transmission risks.</div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"19 ","pages":"Article 100943"},"PeriodicalIF":4.1,"publicationDate":"2024-11-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142719752","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
One HealthPub Date : 2024-11-19DOI: 10.1016/j.onehlt.2024.100940
Andreia V.S. Cruz , Sérgio Santos-Silva , Luís Queirós-Reis , Clarisse Rodrigues , Vanessa Soeiro , Rachael E. Tarlinton , João R. Mesquita
{"title":"Genomic characterization and cross-species transmission potential of hedgehog coronavirus","authors":"Andreia V.S. Cruz , Sérgio Santos-Silva , Luís Queirós-Reis , Clarisse Rodrigues , Vanessa Soeiro , Rachael E. Tarlinton , João R. Mesquita","doi":"10.1016/j.onehlt.2024.100940","DOIUrl":"10.1016/j.onehlt.2024.100940","url":null,"abstract":"<div><div>In the 21st century, three betacoronaviruses (SARS-CoV, MERS-CoV and SARS-CoV-2) have emerged in humans worldwide as a result of animal spillover, causing severe respiratory infections and resulting in more than seven million deaths. In 2013, a novel <em>Betacoronavirus</em> closely related to MERS-CoV (<em>Betacoronavirus cameli)</em> was discovered in European hedgehogs (<em>Erinaceus europaeus</em>), raising questions on the possibility of hedgehog-to-human transmission. Hence, the present study aimed to investigate and characterize the presence and genetic diversity of coronaviruses in hedgehogs from Portugal, as well as their potential for cross-species transmission. To achieve this, fecal samples from 110 hedgehogs at two recovery centers and one environmental non-governmental organization were tested for coronaviruses using a broad-spectrum nested RT-PCR assay targeting the <em>RdRp</em> gene. Of these samples, 24.5 % tested positive, most belonging to the <em>Betacoronavirus</em> genus. However, the present study also reports, for the first time, <em>Alphacoronaviruses</em> in hedgehogs, showing 100 % identity with a Bat coronavirus (a variant of <em>Alphacoronavirus miniopteri)</em>. The genome sequencing of one betacoronavirus-positive sample yielded 65 % of a full-length genome, with the closest homology (93.5 %) to <em>Betacoronavirus erinacei</em> from the United Kingdom. Computational protein-protein docking studies predicted the binding affinity between the spike protein of hedgehog coronavirus and cell receptors of mammal species that interact with hedgehogs. The results obtained raise the question of whether hedgehog CoV uses the same receptor as MERS-CoV or a different receptor to enter host cells. Thus, this study enhances our understanding of the epidemiology of coronaviruses, emphasizing the need for further investigation into cross-species transmission risks.</div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"19 ","pages":"Article 100940"},"PeriodicalIF":4.1,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
One HealthPub Date : 2024-11-19DOI: 10.1016/j.onehlt.2024.100938
Marisa Haenni , Séverine Murri , Caroline Lefrère , Jesper Larsen , Antoine Drapeau , Julie Botman , Pauline François , Philippe Gourlay , François Meurens , Jean-Yves Madec
{"title":"Methicillin-resistant and methicillin-susceptible Staphylococcus aureus in French hedgehogs admitted to a wildlife health center","authors":"Marisa Haenni , Séverine Murri , Caroline Lefrère , Jesper Larsen , Antoine Drapeau , Julie Botman , Pauline François , Philippe Gourlay , François Meurens , Jean-Yves Madec","doi":"10.1016/j.onehlt.2024.100938","DOIUrl":"10.1016/j.onehlt.2024.100938","url":null,"abstract":"<div><div>The <em>mecC</em> gene conferring methicillin-resistance has always been found on a SCC<em>mec</em> type XI element and is largely restricted to the few clonal complexes CC130, CC1943, CC425, CC49 and CC599. The occurrence of the <em>mecC</em> gene in many different hosts highlighted its One Health importance, even though European hedgehogs (<em>Erinaceus europaeus</em>) are considered its natural reservoir, most probably because of the selective pressure imposed by beta-lactam-producing dermatophytes (<em>Trichophyton erinacei</em>) that colonize the skin of these mammals. Surprisingly, while the presence of <em>T. erinacei</em> on the French territory has been proven, no <em>mecC</em>-positive methicillin-resistant <em>Staphylococcus aureus</em> (MRSA) isolate has been reported yet from hedgehogs. We thus sampled 139 hedgehogs brought to a wildlife center; 128 were <em>S. aureus</em> carriers and 25 (18.0 %) presented a MRSA isolate, of which 21 (15.1 %) displayed the <em>mecC</em> gene. All 161 <em>S. aureus</em> collected were whole-genome sequenced. The <em>mecC</em>-MRSA belonged to the classical CCs, i.e. CC130, CC1943 and CC49. The majority (98/139, 70.5 %) of the methicillin-susceptible <em>Staphylococcus aureus</em> (MSSA) isolates also belonged to these three CCs. A phylogenetic comparison with <em>mecC</em>-MRSA isolates from all over Europe and New-Zealand showed local adaptations, despite the fact that they all belonged to the same CCs. The acquisition of the SCC<em>mec</em> type XI element by a concomitant MSSA could not be observed in the same animal, but such a transfer might be suggested since identical clones were identified, one MSSA and one MRSA, though in different animals. In parallel, we conducted a detailed analysis of the SCC<em>mec</em> type XI element as well as specific virulence factors (a <em>tst</em> variant and the <em>vwb</em><sub>SaPI</sub> gene). Results led us to hypothesize that the <em>mecC</em> gene might be acquired through selective pressure of <em>T. erinacei</em> on MSSA, some of which were acquired a long time ago from ruminants and are now colonizing the skin of the hedgehogs.</div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"19 ","pages":"Article 100938"},"PeriodicalIF":4.1,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
One HealthPub Date : 2024-11-19DOI: 10.1016/j.onehlt.2024.100941
Erika Austhof , Kristen Pogreba-Brown , Alice E. White , Rachel H. Jervis , Joli Weiss , Sarah Shrum Davis , Delaney Moore , Heidi E. Brown
{"title":"Association between precipitation events, drought, and animal operations with Salmonella infections in the Southwest US, 2009–2021","authors":"Erika Austhof , Kristen Pogreba-Brown , Alice E. White , Rachel H. Jervis , Joli Weiss , Sarah Shrum Davis , Delaney Moore , Heidi E. Brown","doi":"10.1016/j.onehlt.2024.100941","DOIUrl":"10.1016/j.onehlt.2024.100941","url":null,"abstract":"<div><h3>Background</h3><div>Temperature and precipitation have previously been associated with <em>Salmonella</em> infections. The association between salmonellosis and precipitation might be explained by antecedent drought conditions; however, few studies have explored this effect.</div></div><div><h3>Methods</h3><div>Using an ecological study design with public health surveillance, meteorological (total precipitation [inches], temperature [average °F], Palmer Drought Severity Index [PDSI, category]), and livestock data we explored the association between precipitation and <em>Salmonella</em> infections reported in 127/141 counties from 2009 to 2021 in the Southwest, US and determined how this association was modified by antecedent drought. To explore the acute effect of precipitation on <em>Salmonella</em> infections we used negative binomial generalized estimating equations adjusted for temperature with a 2-week lag resulting in Incidence Rate Ratios (IRR). Stratified analyses were used to explore the effect of antecedent drought and type of animal density on this association.</div></div><div><h3>Results</h3><div>A one inch increase in precipitation was associated with a 2 % increase in <em>Salmonella</em> infections reported two weeks later (IRR: 1.02, 95 % CI: 1.00, 1.04) after adjusting for average temperature and PDSI. Precipitation following moderate (IRR: 1.22, 95 % CI: 1.17, 1.28) and severe drought (IRR: 1.16, 95 % CI: 1.10, 1.22) was associated with a significant increase in cases, whereas in the most extreme drought conditions, cases were significantly decreased (IRR: 0.89, 95 % CI: 0.85, 0.94). Overall, more precipitation (above a 30-year normal, the 95th and 99th percentiles) were associated with greater increases in cases, with the highest increase following moderate and severe drought. Counties with a higher density of chicken and beef cattle were significantly associated with increased cases regardless of drought status, whereas dairy cattle, and cattle including calves had mixed results.</div></div><div><h3>Discussion</h3><div>Our study suggests precipitation following prior dry conditions is associated with an increase in salmonellosis in the Southwest, US. Public health is likely to see an increase in salmonellosis with extreme precipitation events, especially in counties with a high density of chicken and beef cattle.</div></div>","PeriodicalId":19577,"journal":{"name":"One Health","volume":"19 ","pages":"Article 100941"},"PeriodicalIF":4.1,"publicationDate":"2024-11-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142701249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}