Parasite Epidemiology and Control最新文献

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Genetic diversity of the PvMSP-3α gene in Plasmodium vivax isolates circulating in the National Capital Region (NCR) of India 印度国家首都地区(NCR)流行的间日疟原虫分离物中 PvMSP-3α 基因的遗传多样性
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-06-10 DOI: 10.1016/j.parepi.2024.e00362
Ram Das, Kapil Vashisht, Deepali Savargaonkar, L.L. Mercy Aparna, Ajay Nayak, Kailash C. Pandey
{"title":"Genetic diversity of the PvMSP-3α gene in Plasmodium vivax isolates circulating in the National Capital Region (NCR) of India","authors":"Ram Das,&nbsp;Kapil Vashisht,&nbsp;Deepali Savargaonkar,&nbsp;L.L. Mercy Aparna,&nbsp;Ajay Nayak,&nbsp;Kailash C. Pandey","doi":"10.1016/j.parepi.2024.e00362","DOIUrl":"https://doi.org/10.1016/j.parepi.2024.e00362","url":null,"abstract":"<div><p>Malaria is still a public health problem in tropical countries like India; major malaria parasite species are <em>Plasmodium falciparum</em> and <em>P. vivax</em>. Of which, <em>P. vivax</em> is responsible for ∼40% of the malaria burden at least in the Indian scenario. Unfortunately, there is limited data on the population structure and genetic diversity of <em>P. vivax</em> parasites in India. In this study, we investigated the genetic diversity of <em>P. vivax</em> strains in the South-west district, Delhi and, Nuh district, Haryana [National Capital Region (NCR)], using a polymorphic marker- <em>P. vivax</em> merozoite surface protein-3α (<em>Pv</em>MSP-3α) gene. Dried blood spots from microscopically confirmed <em>P. vivax</em> patients were used for investigation of the <em>Pv</em>MSP-3α gene. PCR-RFLP was performed on the <em>Pv</em>MSP-3α gene to investigate the genotypes and allelic variability with <em>Hha</em>I and <em>Alu</em>I restriction enzymes. In total, 40 successfully PCR amplified <em>Pv</em>MSP-3α gene segments were subjected to RFLP analysis. Amplified products showed three different base pair size variations <em>viz.</em> genotype A in 31(77.5%), genotype B in 4(10%) and genotype C in 5(12.5%) <em>P. vivax</em> specimens. RFLP with <em>Hha</em>I and <em>Alu</em>I revealed 17 (H1-H17) and 25 (A1-A25) allelic variants, respectively. Interestingly, two similar sub-allelic variants, <em>ie.</em> H8 (with <em>Hha</em>I), and A4 (with <em>Alu</em>I) clustered within the rural area of Nuh district, Haryana in two samples. With this study, we propose to commission such type of genetic diversity analysis of <em>P. vivax</em> to investigate the circulating genotypes of the parasites from distinct geographical locations across India, that can have significant implications in understanding the population structures of <em>P. vivax</em>.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"26 ","pages":"Article e00362"},"PeriodicalIF":3.2,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000266/pdfft?md5=18d826e84ec243fa38e6d30f7689f377&pid=1-s2.0-S2405673124000266-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141323748","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Community-Based Intervention and Its Effect on Decreasing the Prevalence of Urinary Schistosomiasis in an Al-Alaqa Male Primary school in Al-Alaqa Village White Nile State, Sudan 基于社区的干预措施及其对降低苏丹白尼罗州 Al-Alaqa 村 Al-Alaqa 男子小学尿路血吸虫病流行率的影响
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-06-10 DOI: 10.1016/j.parepi.2024.e00363
Hamza Hussain Ahmed Balola , Eltayeb Abdelazeem Idress , Mohammed Hassan Moreljwab , Amani Mahmoud Fadul Mokhtar , Murtada Mustafa Gabir Tia , Mohammed F. Alharbi , Abdalla Mohamed Ahmed Osman , D.S. Veerabhadra Swamy , Abubakr Ali Elamin MohamedAhmed , Mohamed E. Elnageeb
{"title":"Community-Based Intervention and Its Effect on Decreasing the Prevalence of Urinary Schistosomiasis in an Al-Alaqa Male Primary school in Al-Alaqa Village White Nile State, Sudan","authors":"Hamza Hussain Ahmed Balola ,&nbsp;Eltayeb Abdelazeem Idress ,&nbsp;Mohammed Hassan Moreljwab ,&nbsp;Amani Mahmoud Fadul Mokhtar ,&nbsp;Murtada Mustafa Gabir Tia ,&nbsp;Mohammed F. Alharbi ,&nbsp;Abdalla Mohamed Ahmed Osman ,&nbsp;D.S. Veerabhadra Swamy ,&nbsp;Abubakr Ali Elamin MohamedAhmed ,&nbsp;Mohamed E. Elnageeb","doi":"10.1016/j.parepi.2024.e00363","DOIUrl":"https://doi.org/10.1016/j.parepi.2024.e00363","url":null,"abstract":"<div><h3>Aim of study</h3><p>This study assessed the effectiveness of community-based interventions, health awareness, and treatment in controlling schistosomiasis among schoolchildren to improve policies and strategies.</p></div><div><h3>Methods</h3><p>This pre- and post-intervention study was conducted in an Al-Alaqa male primary school, and systematic simple random sampling was used to investigate 237 participants, which resulted in 132 (55.7%) infected students. The infected and noninfected students (580 students) were treated by delivering the praziquantel doses immediately after the results; after 4 weeks, the infected students received the second dose. After 6 months, the rates were investigated again, and all procedures were performed after the height and weight of the students were recorded according to the protocol. Health education was provided for all participants using posters and leaflets. The data were collected via a questionnaire and urine test. The data were analyzed using SPSS (Statistical Package for the Social Sciences), and ANOVA and t<em>-</em>tests were used to determine the significant differences between the variables.</p></div><div><h3>Results</h3><p>A urine investigation was conducted on 237 students; 132 (55.7%) had positive results which showed marked improvement and the prevalence in the school decreased to 3.8% after the intervention. The researcher found strong evidence of a relationship between the prevalence of schistosomiasis before the intervention and availability of water in the home (chi-square = 18.331, df = 1, <em>p</em> value = 000). ANOVA showed strong statistical significance (0.002 and F = 6.564) between the mean score of student age and reasons behind going to the pond.</p></div><div><h3>Conclusion</h3><p>This study concluded that mass chemotherapy and treatment were highly effective when associated with a health program intervention. Mass chemotherapy alone may reduce the prevalence of disease for a short time.</p></div><div><h3>Recommendation</h3><p>Community-based interventions should be applied in schools with an emphasis on health education programs through the training of schoolteachers on investigations for schistosomiasis, treatment with praziquantel, and the provision of materials (microscopes, reagents, and drugs).</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"26 ","pages":"Article e00363"},"PeriodicalIF":3.2,"publicationDate":"2024-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000278/pdfft?md5=96bb3e7c2097c830dac0f24b545e14c1&pid=1-s2.0-S2405673124000278-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141323747","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Factors influencing stunted growth in children: A study in Bandung regency focusing on a deworming program 影响儿童发育迟缓的因素:万隆地区以驱虫计划为重点的研究
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-06-04 DOI: 10.1016/j.parepi.2024.e00361
Riyadi Adrizain , Lia Faridah , Nisa Fauziah , Afiat Berbudi , Deviyanthi Nur Afifah , Djatnika Setiabudi , Budi Setiabudiawan
{"title":"Factors influencing stunted growth in children: A study in Bandung regency focusing on a deworming program","authors":"Riyadi Adrizain ,&nbsp;Lia Faridah ,&nbsp;Nisa Fauziah ,&nbsp;Afiat Berbudi ,&nbsp;Deviyanthi Nur Afifah ,&nbsp;Djatnika Setiabudi ,&nbsp;Budi Setiabudiawan","doi":"10.1016/j.parepi.2024.e00361","DOIUrl":"10.1016/j.parepi.2024.e00361","url":null,"abstract":"<div><p>The prevalence of neglected tropical diseases, specifically those caused by soil-transmitted helminths (STHs) and other parasites that infest the intestine as part of their life cycle, remains a problem in Indonesia. We assessed the effects of deworming programs and socioeconomic and ecological factors on the incidence rate of infections with STHs and other parasites in an urban area of the Bandung Regency. We recruited 361 children with stunted growth who met the inclusion criteria, and 48 of those children were at high risk of STH infection. The study was conducted between September 2020 and September 2021. We collected possible socioeconomic factors influencing the incidence rate of infections. We found the incidence rate of STH infections among the children with stunted growth to be 3.6%. We confirmed infections with <em>Cyclospora</em> and <em>Cryptosporidium</em> after a Ziehl-Nieelsen stool smear examination in two of the 48 children at risk of infection. We found 43.75% of the children had short stature and weight below the normal limits, while stunting and severe stunting were associated with <em>Ascaris lumbricoides</em> infection (44.70%, <em>p</em> = 0.035). Parents of children with stunted and severely stunted growth were more likely to have a low education level, lack knowledge about deworming program, and to be earning a low income. The mother's occupation had a particularly strong influence on the severity of the stunting (89.58%, <em>p</em> = 0.012). Our results show that deworming programs can affect the growth and development of children and that socioeconomic and ecological factors also play a role.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"26 ","pages":"Article e00361"},"PeriodicalIF":3.2,"publicationDate":"2024-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000254/pdfft?md5=e95471cd7ad587ee21159a2628f1ff5e&pid=1-s2.0-S2405673124000254-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141279589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular epidemiology and multilocus genotyping of Giardia duodenalis in individuals attending major public hospitals in Shiraz, southwestern Iran: A public health concern 伊朗西南部设拉子市主要公立医院就诊者中十二指肠贾第虫的分子流行病学和多焦点基因分型:公共卫生问题
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-05-01 DOI: 10.1016/j.parepi.2024.e00354
Ali Asghari , Farzad Mahdavi , Kambiz Karimi , Mohammad Reza Mohammadi , Laya Shamsi , Qasem Asgari , Mohammad Hossein Motazedian , Saeed Shahabi , Alireza Sadrebazzaz
{"title":"Molecular epidemiology and multilocus genotyping of Giardia duodenalis in individuals attending major public hospitals in Shiraz, southwestern Iran: A public health concern","authors":"Ali Asghari ,&nbsp;Farzad Mahdavi ,&nbsp;Kambiz Karimi ,&nbsp;Mohammad Reza Mohammadi ,&nbsp;Laya Shamsi ,&nbsp;Qasem Asgari ,&nbsp;Mohammad Hossein Motazedian ,&nbsp;Saeed Shahabi ,&nbsp;Alireza Sadrebazzaz","doi":"10.1016/j.parepi.2024.e00354","DOIUrl":"https://doi.org/10.1016/j.parepi.2024.e00354","url":null,"abstract":"<div><p><em>Giardia duodenalis</em> is one of the most common causes of waterborne disease worldwide, and is often associated with outbreaks of diarrhea in areas with poor sanitation and hygiene. This study aimed to assess the prevalence and genetic diversity of <em>G. duodenalis</em> assemblages in individuals attending major public hospitals in Shiraz, southwestern Iran. From August 2022 to May 2023, a total of 614 stool samples from individuals were collected and initially examined for <em>G. duodenalis</em> cysts using parasitological techniques, sucrose flotation, and microscopy. Microscopy-positive samples were validated by SSU-PCR amplification of the parasite DNA. A multilocus genotyping (MLG) scheme, which focused on the triose phosphate isomerase (<em>tpi</em>) and the glutamate dehydrogenase (<em>gdh</em>) genes, was employed for genotyping purposes. <em>G. duodenalis</em> cysts were found in 7.5% (46/614) and 8.5% (52/614) of samples through microscopy and SSU-PCR, respectively. Successful amplification and sequencing results were obtained for 77.3% (17/22) and 45.5% (10/22) of the infected samples at the <em>tpi</em> and <em>gdh</em> loci, respectively. MLG data for the two loci were available for only five samples. Out of the 22 samples genotyped at any loci, 54.5% (12/22) were identified as assemblage A, while 45.5% (10/22) were identified as assemblage B. AII was the most predominant sub-assemblage identified [54.5% (12/22)], followed by BIII [27% (6/22)], discordant BIII/BIV [13.6% (3/22)], and BIV [4.5% (1/22)]. In the present study, no assemblages suited for non-human animal hosts (e.g., C<img>F) were detected. This suggests that the transmission of human giardiasis in Shiraz is primarily anthroponotic. Further molecular-based analyses are necessary to confirm and expand upon these findings. These analyses will also help determine the presence and public health importance of the parasite in environmental samples, such as drinking water.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"25 ","pages":"Article e00354"},"PeriodicalIF":3.2,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000187/pdfft?md5=8c092d4d1678c88865314969399920b6&pid=1-s2.0-S2405673124000187-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140817024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Global prevalence of Toxoplasma gondii in birds: A systematic review and meta-analysis 全球鸟类弓形虫流行率:系统回顾与荟萃分析
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-05-01 DOI: 10.1016/j.parepi.2024.e00350
Leila Zaki , Meysam Olfatifar , Fatemeh Ghaffarifar , Aida Vafae Eslahi , Amir KarimiPourSaryazdi , Ali Taghipour , Najla Hamidianfar , Milad Badri , Pikka Jokelainen
{"title":"Global prevalence of Toxoplasma gondii in birds: A systematic review and meta-analysis","authors":"Leila Zaki ,&nbsp;Meysam Olfatifar ,&nbsp;Fatemeh Ghaffarifar ,&nbsp;Aida Vafae Eslahi ,&nbsp;Amir KarimiPourSaryazdi ,&nbsp;Ali Taghipour ,&nbsp;Najla Hamidianfar ,&nbsp;Milad Badri ,&nbsp;Pikka Jokelainen","doi":"10.1016/j.parepi.2024.e00350","DOIUrl":"https://doi.org/10.1016/j.parepi.2024.e00350","url":null,"abstract":"<div><p>Among the potential animal reservoirs of the zoonotic parasite <em>T. gondii</em>, birds have received relatively little attention. This systematic review and meta-analysis aimed to assess the global status and to provide an overview of the epidemiology of <em>T. gondii</em> infection in birds. The standard protocol of preferred reporting items for systematic reviews and meta-analyses (PRISMA) guidelines were followed. Scopus, PubMed, Web of Science, Science Direct, ProQuest, and Google Scholar were searched for relevant publications from January 1990, to March 2024. All peer-reviewed original research articles describing the prevalence of <em>T. gondii</em> in birds were included. Inclusion and exclusion criteria were applied, and both direct and indirect detection were considered. The point estimates and 95% confidence intervals were calculated using the meta-package in R (version 3.6.1). The variance between studies (heterogeneity) was quantified by the <em>I</em><sup><em>2</em></sup> index. Finally, 258 articles (including 380 datasets) were eligible for inclusion in the systematic review and meta-analysis. The global pooled prevalence was 24% (21 - 26%). The highest prevalence of <em>T. gondii</em> was observed in buzzards (52%, 34 - 70%), turkeys (31%, 17 - 46%), and chickens (30%, 26 - 34%). The present study provides a comprehensive view of the global prevalence of <em>T. gondii</em> in birds.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"25 ","pages":"Article e00350"},"PeriodicalIF":3.2,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S240567312400014X/pdfft?md5=d8aa99633c9b420ed1ffa39384519d58&pid=1-s2.0-S240567312400014X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140843500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessing the potential impact of livestock immunisation and acaricide use on controlling the spread of East Coast fever 评估牲畜免疫接种和杀螨剂的使用对控制东海岸热传播的潜在影响
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-05-01 DOI: 10.1016/j.parepi.2024.e00357
Mirirai Chinyoka , Gift Muchatibaya , Prosper Jambwa , Mhosisi Masocha , Steady Mushayabasa
{"title":"Assessing the potential impact of livestock immunisation and acaricide use on controlling the spread of East Coast fever","authors":"Mirirai Chinyoka ,&nbsp;Gift Muchatibaya ,&nbsp;Prosper Jambwa ,&nbsp;Mhosisi Masocha ,&nbsp;Steady Mushayabasa","doi":"10.1016/j.parepi.2024.e00357","DOIUrl":"10.1016/j.parepi.2024.e00357","url":null,"abstract":"<div><p>Immunisation of livestock with high-quality vaccines and the use of acaricides are highly ranked tick control strategies worldwide. However, the effects of coupling livestock immunisation and acaricide control on mitigating the spread of East Coast Fever (ECF) is not well understood. Effective strategies to curb the disease require an understanding of the influence of control strategies on ECF dynamics. This paper presents a new mathematical model for ECF in ticks and livestock to analyze the effect of livestock immunisation and acaricide control on preventing ECF spread. Our research is focused on examining how vaccine efficacy, inoculation rate, and acaricide efficacy affect disease progression. Our finding is that acaricide control alone may not be sufficient to stop the spread of ECF, even if it has an 80% effectiveness all the time. However, by pairing acaricide control with livestock vaccination, disease transmission is significantly reduced and elimination is possible under certain circumstances. Overall, results show that it is crucial to understand the influence of combining control strategies to mitigate the spread of this devastating livestock disease and enhance decision making among policymakers and livestock keepers.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"25 ","pages":"Article e00357"},"PeriodicalIF":3.2,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000217/pdfft?md5=fda6b85e438eb6b0c5f9bf4fa8d66bf2&pid=1-s2.0-S2405673124000217-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141034743","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Prevalence, trend comparisons, and identification of ixodid ticks (Acari: Ixodoidea) among cattle in Ethiopia: A systematic review and meta-analysis 埃塞俄比亚牛群中蜱虫(Acari: Ixodoidea)的流行率、趋势比较和鉴定:系统回顾与荟萃分析
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-05-01 DOI: 10.1016/j.parepi.2024.e00356
Abayeneh Girma , Indiris Abdu , Kasaye Teshome , Amere Genet , Dessalew Tamir
{"title":"Prevalence, trend comparisons, and identification of ixodid ticks (Acari: Ixodoidea) among cattle in Ethiopia: A systematic review and meta-analysis","authors":"Abayeneh Girma ,&nbsp;Indiris Abdu ,&nbsp;Kasaye Teshome ,&nbsp;Amere Genet ,&nbsp;Dessalew Tamir","doi":"10.1016/j.parepi.2024.e00356","DOIUrl":"https://doi.org/10.1016/j.parepi.2024.e00356","url":null,"abstract":"<div><p>Ticks and tick-borne pathogens are the main challenge to livestock production and productivity in sub-Saharan Africa, particularly in Ethiopia, where favorable conditions exist for the activity of various parasites due to its geographical location, climate, and biological and cultural characteristics. This study was to provide pooled estimates for individually available data on ixodid ticks, their trend comparisons, and ixodid tick grouping among cattle in Ethiopia. Cochrane's Q, <em>I</em><sup><em>2</em></sup>, sensitivity analysis, funnel plot, Begg, and Egger regression tests were used to check heterogeneity and publication bias. A random effect model was used to calculate the pooled magnitude of ixodid ticks among cattle. A total of 17,161 cattle from 41 studies were included. The pooled prevalence of ixodid ticks among cattle was 64.42% (95% CI = 57.13–71.71). A total of 82,804 adult ticks belonging to three different genera of ixodid ticks, namely <em>Rhipicephalus</em> (<em>Boophilus</em>) (47.53%), <em>Amblyomma</em> (46.10%), and <em>Hyalomma</em> (6.37%), were recorded from the included studies. The general trend for the prevalence of ixodid tick infestation among cattle has decreased, from 68.65% in 2010–2015 to 60.13% in 2021–2023. In the present scenario, ixodid tick infestation range from 59.21 to 89.58% and are higher in Gambella region.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"25 ","pages":"Article e00356"},"PeriodicalIF":3.2,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000205/pdfft?md5=7b93b274666b614bcc0ceb3a711de7d5&pid=1-s2.0-S2405673124000205-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140901533","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Epidemiological study on bovine cystic echinococcosis: Abattoir survey, cyst characterization and its economic impact at Mekaneyesuse municipality abattoir, Northwest Ethiopia 牛囊性棘球蚴病流行病学研究:埃塞俄比亚西北部 Mekaneyesuse 市屠宰场调查、囊肿特征及其经济影响
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-05-01 DOI: 10.1016/j.parepi.2024.e00355
Belete Sendekie , Beyenech Gebeyehu , Abebe Mihret , Tesfu Kassa , Nigatu Kebede
{"title":"Epidemiological study on bovine cystic echinococcosis: Abattoir survey, cyst characterization and its economic impact at Mekaneyesuse municipality abattoir, Northwest Ethiopia","authors":"Belete Sendekie ,&nbsp;Beyenech Gebeyehu ,&nbsp;Abebe Mihret ,&nbsp;Tesfu Kassa ,&nbsp;Nigatu Kebede","doi":"10.1016/j.parepi.2024.e00355","DOIUrl":"10.1016/j.parepi.2024.e00355","url":null,"abstract":"<div><p>Cystic echinococcosis (CE) is a major medical and veterinary concern in the world. It is one of the significant diseases in livestock farming communities managed under extensive grazing system like Ethiopia. Domestic intermediate hosts are an important reservoir for the disease spread. A cross-sectional study was conducted to determine the occurrence and economic losses associated with CE in cattle slaughtered at Mekaneyesuse Municipality abattoir, South Gondor zone of Amhara Region, North West Ethiopia. Ante-mortem inspection, postmortem examinations of organs, hydatid cyst characterization and financial loss estimations were conducted. The study was conducted on 384 cattle. The involvement of different organs was as follows: lungs (46.09%), liver (45.22%), heart (6.09%), and kidneys (2.6%). Out of the total of 115 cysts observed, small cysts constituted 57.39%, medium-sized were 34.78%, and large cysts accounted for 7.83%. Of these 115 cysts, 53.9% were fertile which included both viable (29%) and non-viable (71%) cysts. Furthermore, 46.1% cysts were non fertile, 62.3% were sterile and 37.7% were calcified. Based on the origin of animal, the prevalence of hydatid cysts was recorded to be 31.25%, 24%, 22.05% and 14.25% in Tachgayent, Semada, Andabet and Estie district, respectively. Higher cyst occurrence was observed in animals with poor body condition (51.56%) followed by medium (13.7%) and good body condition scores (8.25%). The total annual economic loss due to the direct condemnation of organs and indirect losses were estimated to be 851,252.68 ETB ($16,061.06). This study revealed that CE is economically important disease at Mekaneyesuse, South Gondar Zone, Amhara Region, Northwest Ethiopia. A more comprehensive investigation is required on prevalence and genotyping of <em>Echinococcus granulosus s.l.</em> cysts is important also to identify and estimate the relative contribution of each species or genotype to the disease in this area. Moreover, efforts to enhance public awareness in the area should also be pursued.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"25 ","pages":"Article e00355"},"PeriodicalIF":3.2,"publicationDate":"2024-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000199/pdfft?md5=d1b1aa14fda6bd51a75220f8f4a26ac0&pid=1-s2.0-S2405673124000199-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141026201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Field sensitivity and specificity of the SD BIOLINE onchocerciasis IgG4 Rapid Diagnostic Test in children <10 years old from endemic areas in Burkina Faso 布基纳法索流行地区 10 岁以下儿童使用 SD BIOLINE 盘尾丝虫病 IgG4 快速诊断测试的现场灵敏度和特异性
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-04-23 DOI: 10.1016/j.parepi.2024.e00352
Achille Sindimbasba Nikièma , Lassane Koala , Thomas R. Unnasch , Jeoffray Diendéré , Justin Compaoré , Mathias W. Ouédraogo , Claude Montant Kafando , Didier Bakajika , Clarisse Bougouma , Babacar Faye , Soungalo Traoré , Roch Kounbobr Dabiré
{"title":"Field sensitivity and specificity of the SD BIOLINE onchocerciasis IgG4 Rapid Diagnostic Test in children <10 years old from endemic areas in Burkina Faso","authors":"Achille Sindimbasba Nikièma ,&nbsp;Lassane Koala ,&nbsp;Thomas R. Unnasch ,&nbsp;Jeoffray Diendéré ,&nbsp;Justin Compaoré ,&nbsp;Mathias W. Ouédraogo ,&nbsp;Claude Montant Kafando ,&nbsp;Didier Bakajika ,&nbsp;Clarisse Bougouma ,&nbsp;Babacar Faye ,&nbsp;Soungalo Traoré ,&nbsp;Roch Kounbobr Dabiré","doi":"10.1016/j.parepi.2024.e00352","DOIUrl":"https://doi.org/10.1016/j.parepi.2024.e00352","url":null,"abstract":"<div><p>Skin biopsies (Skin snips) have historically been the gold standard for the diagnosis of onchocerciasis. However, in low prevalence areas and in areas with successful ivermectin mass drug administration (MDA) programs, skin snips are not sensitive enough to decide when to stop MDA; thus, serological diagnostic tools have been recommended for this purpose. This study assessed the sensitivity and specificity of the Ov16 Rapid Diagnostic Test (SD BIOLINE Onchocerciasis RDT) compared to skin snip in endemic areas undergoing ivermectin mass distribution using Community Directed Treatment with Ivermectin (CDTI) strategy. A cross-sectional study was conducted between September and November 2016 in five endemic villages in the Cascades region in Burkina Faso. Children aged 2 to 9-years were examined during the impact epidemiological survey using both the skin snip and Ov16 Rapid Diagnostic Test. The Ov16 Rapid Diagnostic Test sensitivity and specificity were determined with reference to the skin biopsy. Skin snip positivity was 1.25% in this population, while seroprevalence was 6.5%. When compared to the skin snip as the gold standard, the sensitivity of the Ov16 Rapid Diagnostic Test was 60% and the specificity 94%. When the Ov16 Rapid Diagnostic Test was considered as the gold standard, the skin snip exhibited a sensitivity of 11.5% and a specificity of 99.5%. These results are similar to other studies comparing the performance of the Ov16 ELISA to skin snips, suggesting that the Ov16 RDT may be a useful tool for ivermectin STOP MDA and post transmission surveys, assuming that the prevalence of infection is low or close to zero, and the Ov16 RDT detected also pre patent infections.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"25 ","pages":"Article e00352"},"PeriodicalIF":3.2,"publicationDate":"2024-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000163/pdfft?md5=f8fc286f5cb127f471d0c2c55cc43fcf&pid=1-s2.0-S2405673124000163-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140650572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identification and genotyping of Echinococcus granulosus from human clinical samples in Guilan province, north of Iran 伊朗北部吉兰省人体临床样本中棘球蚴的鉴定和基因分型
IF 3.2
Parasite Epidemiology and Control Pub Date : 2024-04-23 DOI: 10.1016/j.parepi.2024.e00353
Masoumeh Gholami Koohestan , Reza Saberi , Ahmad Daryani , Shahabbedin Sarvi , Meysam Sharifdini , Davood Anvari , Seyyed Ali Shariatzadeh , Seyed Abdollah Hosseini , Shirzad Gholami
{"title":"Identification and genotyping of Echinococcus granulosus from human clinical samples in Guilan province, north of Iran","authors":"Masoumeh Gholami Koohestan ,&nbsp;Reza Saberi ,&nbsp;Ahmad Daryani ,&nbsp;Shahabbedin Sarvi ,&nbsp;Meysam Sharifdini ,&nbsp;Davood Anvari ,&nbsp;Seyyed Ali Shariatzadeh ,&nbsp;Seyed Abdollah Hosseini ,&nbsp;Shirzad Gholami","doi":"10.1016/j.parepi.2024.e00353","DOIUrl":"https://doi.org/10.1016/j.parepi.2024.e00353","url":null,"abstract":"<div><p>Cystic echinococcosis (CE) is a significant health problem in both human and veterinary medicine. It is caused by the tapeworm <em>Echinococcus granulosus (E. granulosus).</em> The objective of this study was to investigate molecular diversity of <em>E. granulosus</em> from the paraffin-embedded human (FFPE) tissue samples using sequencing of mitochondrial genes. Thirty-five FFPE tissue samples were collected from different regions of Guilan province, north of Iran. Demographic data were recorded using a questionnaire. Five sections (1 mm) of the tissue were prepared and deparaffined using xylene and ethanol methods. Molecular analysis was performed using the <em>Nad1</em> and <em>Cox1</em> genes using PCR and DNA sequencing. Totally, 25 cases (71.43%) were women and 10 cases (28.57%) were men. The most affected age group was 21–30 yr old. The most of cysts were isolated from the liver (<em>n</em> = 19; 54.29%) and others in the lung (<em>n</em> = 16; 45.71%). The <em>Cox1</em> and <em>Nad1</em> genes were successfully amplified in 16 (45.71%) and 12 (34.28%) DNA samples from FFPE tissue. Sequencing analysis revealed that all samples were <em>E. granulosus</em> sensu stricto <em>complex</em> (G1 and G3)<em>.</em> In this study, <em>E. granulosus</em> sensu stricto complex G1 and G3 were identified in human hydatid cysts and showed the presence of sheep/dog cycle in human infection. This finding confirmed and completed previous studies on the geospatial distribution of <em>E. granulosus</em> sensu stricto complex G1 and G3 in the southern and coastal areas of the Caspian Sea region.</p></div>","PeriodicalId":37873,"journal":{"name":"Parasite Epidemiology and Control","volume":"25 ","pages":"Article e00353"},"PeriodicalIF":3.2,"publicationDate":"2024-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2405673124000175/pdfft?md5=f19d3a1b28a74df0b46934a179063b61&pid=1-s2.0-S2405673124000175-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140643972","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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