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Association of Anti-N and -S Seroprevalence in Asymptom atic, Mildly Symptomatic, and Symptomatic SARS-COV-2 Natural Infection 无症状、轻度症状和有症状的SARS-COV-2自然感染中抗n和-S血清阳性率的相关性
Infection Epidemiology and Microbiology Pub Date : 2022-12-01 DOI: 10.52547/iem.8.4.357
N. Hajiahmadi, Faezeh Mojtahedzade, A. Yari, M. Tat, H. Soleimanjahi, saeed amel jamehdar, M. Jafari, Samira Asli, R. Dorostkar, M. Nazemipour, M. Mansournia, T. Bamdad
{"title":"Association of Anti-N and -S Seroprevalence in Asymptom atic, Mildly Symptomatic, and Symptomatic SARS-COV-2 Natural Infection","authors":"N. Hajiahmadi, Faezeh Mojtahedzade, A. Yari, M. Tat, H. Soleimanjahi, saeed amel jamehdar, M. Jafari, Samira Asli, R. Dorostkar, M. Nazemipour, M. Mansournia, T. Bamdad","doi":"10.52547/iem.8.4.357","DOIUrl":"https://doi.org/10.52547/iem.8.4.357","url":null,"abstract":"Backgrounds: SARS-COV-2 infection is not always correlated with protection. Antibody seroprevalence in unvaccinated individuals, which is usually measured by N-specific antibodies, is not necessarily correlated with protection, while antibodies against S protein show a better correlation with protection due to its neutralizing epitopes. In this study, we tried to improve our conception of the hidden perspective of SARS-COV-2 in epidemiological reports and investigate anti-S antibody prevalence among anti-N antibody-positive asymptomatic and mildly symptomatic patients. Material(s) and Method(s): Blood samples were collected from asymptomatic or mildly symptomatic volunteer participants and symptomatic hospitalized patients with negative PCR results from May 30 to June 17, 2020. Detection of SARS-COV-2 antibodies was done using an ELISA kit targeting N or S protein. Finding(s): Totally, 716 samples from volunteer participants and 81 samples from symptomatic hospitalized patients with negative PCR results were evaluated. The test performance-adjusted seroprevalence (%95 CI) of SARS-COV-2 antibody was 17.3% (8.8-25.8%) for anti-N IgG in volunteers and 25.5% (12.8-39.7%) for anti-N and anti-S IgM in hospitalized patients. Among anti-N IgG positive infected individuals, %49.2 (21.4 and 78.8%) were anti-S antibody positive. Conclusion(s): The results showed that SARS-COV-2 infection sometimes occurs in individuals without symptoms or with mild symptoms, but in more than half of them, the produced antibody is not protective. The findings of hospitalized patients showed that the combination of IgM assay with real-time PCR improved the disease diagnosis by more than 25% in cases with negative molecular test results.Copyright © 2022, TMU Press.","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"28 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73031275","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}
引用次数: 0
High Incidence of MDR and XDR Pseudomonas aeruginosa Isolates Harboring blaGES, blaVEB, and blaPER Extended-Spectrum Beta-Lactamase Genes in Iran 伊朗耐多药和广泛耐药铜绿假单胞菌携带blaGES、blaVEB和blaPER扩展谱β -内酰胺酶基因的高发
Infection Epidemiology and Microbiology Pub Date : 2022-12-01 DOI: 10.52547/iem.8.4.285
Fahimeh Beiki, A. Tavakoli Kareshk, P. Askari, A. Hashemi, M. Yousefi
{"title":"High Incidence of MDR and XDR Pseudomonas aeruginosa Isolates Harboring blaGES, blaVEB, and blaPER Extended-Spectrum Beta-Lactamase Genes in Iran","authors":"Fahimeh Beiki, A. Tavakoli Kareshk, P. Askari, A. Hashemi, M. Yousefi","doi":"10.52547/iem.8.4.285","DOIUrl":"https://doi.org/10.52547/iem.8.4.285","url":null,"abstract":"","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"27 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74226925","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}
引用次数: 0
Evaluation of the Synergistic Interaction between Satureja hortensis and Carum carvi Essential Oils and Fluconazole against Candida albicans: In Vitro 红花香精油与氟康唑对白色念珠菌体外协同作用的评价
Infection Epidemiology and Microbiology Pub Date : 2022-12-01 DOI: 10.52547/iem.8.4.327
Yasaman karbalaei, S. Amanloo, N. Gholami, A. Yazdinezhad
{"title":"Evaluation of the Synergistic Interaction between Satureja hortensis and Carum carvi Essential Oils and Fluconazole against Candida albicans: In Vitro","authors":"Yasaman karbalaei, S. Amanloo, N. Gholami, A. Yazdinezhad","doi":"10.52547/iem.8.4.327","DOIUrl":"https://doi.org/10.52547/iem.8.4.327","url":null,"abstract":"","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"47 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84955676","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}
引用次数: 0
Arboviruses, an Emerging Threat to Public Health: Focus on Nigeria, West Africa 虫媒病毒，对公共卫生的新威胁:重点关注西非尼日利亚
Infection Epidemiology and Microbiology Pub Date : 2022-12-01 DOI: 10.52547/iem.8.4.379
R. Adesola, I. Idris
{"title":"Arboviruses, an Emerging Threat to Public Health: Focus on Nigeria, West Africa","authors":"R. Adesola, I. Idris","doi":"10.52547/iem.8.4.379","DOIUrl":"https://doi.org/10.52547/iem.8.4.379","url":null,"abstract":"","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78764970","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}
引用次数: 0
Molecular Detection and Characterization of Herpesvirus Papio 2 (HVP2) in Wild-Caught Olive Baboons from Selected Regions in Kenya 肯尼亚部分地区野生橄榄狒狒中疱疹病毒2型(HVP2)的分子检测和鉴定
Infection Epidemiology and Microbiology Pub Date : 2022-12-01 DOI: 10.52547/iem.8.4.345
Gloria Kemunto, Mbogo Kevin, Kamau W. Joseph, A. Nyachieo
{"title":"Molecular Detection and Characterization of Herpesvirus Papio 2 (HVP2) in Wild-Caught Olive Baboons from Selected Regions in Kenya","authors":"Gloria Kemunto, Mbogo Kevin, Kamau W. Joseph, A. Nyachieo","doi":"10.52547/iem.8.4.345","DOIUrl":"https://doi.org/10.52547/iem.8.4.345","url":null,"abstract":"","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"37 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85890518","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}
引用次数: 0
Molecular Detection of Blastocystis Subtypes in Domestic Pigeons and Their Owners in Tafresh City 塔什市家鸽及其饲主囊虫亚型的分子检测
Infection Epidemiology and Microbiology Pub Date : 2022-12-01 DOI: 10.52547/iem.8.4.317
Samane Abdolahi, A. Dalimi, Majid Piranestani
{"title":"Molecular Detection of Blastocystis Subtypes in Domestic Pigeons and Their Owners in Tafresh City","authors":"Samane Abdolahi, A. Dalimi, Majid Piranestani","doi":"10.52547/iem.8.4.317","DOIUrl":"https://doi.org/10.52547/iem.8.4.317","url":null,"abstract":"","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88556382","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}
引用次数: 0
Phenotypic and Genotypic Characterization of Antibiotic Resistance in Escherichia coli Strains Isolated from Broiler Chickens with Suspected Colibacillosis in Isfahan Province, Iran 伊朗伊斯法罕省疑似大肠杆菌病肉鸡大肠杆菌耐药表型和基因型分析
Infection Epidemiology and Microbiology Pub Date : 2022-09-01 DOI: 10.52547/iem.8.3.193
M. Horri, M. Gholami-Ahangaran
{"title":"Phenotypic and Genotypic Characterization of Antibiotic Resistance in Escherichia coli Strains Isolated from Broiler Chickens with Suspected Colibacillosis in Isfahan Province, Iran","authors":"M. Horri, M. Gholami-Ahangaran","doi":"10.52547/iem.8.3.193","DOIUrl":"https://doi.org/10.52547/iem.8.3.193","url":null,"abstract":"the qnrA and sul1 genes were amplified with specific primers. Findings: The results showed that 85% of E. coli isolates were resistant to at least two antibiotics, and 6% of E. coli strains were resistant to all 13 antibiotics used in this study. E. coli isolates showed the highest resistance to enrofloxacin (70%) and the lowest resistance to gentamicin (6%). Examination of resistance genes showed that about 54% of enrofloxacin-resistant E. coli strains contained the qnrA gene, and 48% of sulfonamide-resistant E. coli strains contained the sul1 gene. Conclusion: In this study, some resistant strains lacked the resistance genes studied, indicating the importance of other resistance genes in inducing resistance against sulfonamides and fluoroquinolones. Also, the lack of resistance in some strains harboring qnrA and sul1 genes indicates the importance of gene expression in mediating resistance, and that the presence of resistance genes alone is not sufficient to induce antibiotic resistance in E. coli strains.","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86253763","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}
引用次数: 0
Prevalence of ESBLs and Biofilm Formation in Escherichia coli Isolated from Urinary Tract Infection in Isfahan, Iran 伊朗伊斯法罕地区尿路感染分离大肠埃希菌ESBLs流行及生物膜形成
Infection Epidemiology and Microbiology Pub Date : 2022-09-01 DOI: 10.52547/iem.8.3.223
Elham Haghighifar, A. Rezaei
{"title":"Prevalence of ESBLs and Biofilm Formation in Escherichia coli Isolated from Urinary Tract Infection in Isfahan, Iran","authors":"Elham Haghighifar, A. Rezaei","doi":"10.52547/iem.8.3.223","DOIUrl":"https://doi.org/10.52547/iem.8.3.223","url":null,"abstract":"was detected in 93 (66.9%) isolates. The PCR test results showed that","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"21 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73712925","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}
引用次数: 0
Assessment of Antifungal Activity of Saccharomyces boulardii against Candida albicans Biofilm 博氏酵母菌对白色念珠菌生物膜的抑菌活性评价
Infection Epidemiology and Microbiology Pub Date : 2022-09-01 DOI: 10.52547/iem.8.3.243
Z. Sadeghi Ardestani, M. Yadegari, R. Kachuei
{"title":"Assessment of Antifungal Activity of Saccharomyces boulardii against Candida albicans Biofilm","authors":"Z. Sadeghi Ardestani, M. Yadegari, R. Kachuei","doi":"10.52547/iem.8.3.243","DOIUrl":"https://doi.org/10.52547/iem.8.3.243","url":null,"abstract":") and MTT reduction reaction. The collected data were analyzed using student’s t-test in SPSS statistical software. Findings: In this study, the probiotic yeast S. boulardii reduced the pathogenicity and virulence of C. albicans in vitro. According to the results of CVS and MTT assays, a considerable reduction ( p < .001) in the biomass and viability of C. albicans biofilms was observed after 48 hours of incubation in the presence of S. boulardii extract. Conclusion: There was a significant association between S. boulardii extract concentration and biofilm formation in both CVS and MTT assays. Biofilm formation decreased with increasing S. boulardii extract concentration and incubation time in both methods compared to the control group .","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"113 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85379040","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}
引用次数: 0
Strategies for Vaccine Design for Corona Virus for All Variants of Concern Using Immunoinformatics Techniques 利用免疫信息学技术设计冠状病毒所有变体的疫苗策略
Infection Epidemiology and Microbiology Pub Date : 2022-09-01 DOI: 10.52547/iem8.3.259
Anamika Basu
{"title":"Strategies for Vaccine Design for Corona Virus for All Variants of Concern Using Immunoinformatics Techniques","authors":"Anamika Basu","doi":"10.52547/iem8.3.259","DOIUrl":"https://doi.org/10.52547/iem8.3.259","url":null,"abstract":"","PeriodicalId":34545,"journal":{"name":"Infection Epidemiology and Microbiology","volume":"204 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76248100","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}
引用次数: 1
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