Prevalence of Dengue Virus Infection Among Febrile Outpatients Attending University of Maiduguri Teaching Hospital in Borno State, Nigeria

T. M. Hamisu, A. Yuguda, M. Abubakar, Y. Shettima, M. Maina, M. Y. Zanna, S. S. Baba, A. Andrew, i.C. Terhemen
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引用次数: 4

Abstract

Dengue fever is a zoonotic arthropod-borne viral disease caused by Dengue fever virus (DENV) of the Genus Flavivirus and the FamilyFlaviviridaethat is endemic in Africa and beyond. The illness could be fatal especially among children and depleted patients.This study was designed to diagnose recentDengue virus infectionsamong febrile patients attending University of Maiduguri Teaching Hospital using ELISA kits for the detection of DENV IgM antibodies and NS1 antigens. Ninety one (91) venous blood samples were randomly collected from patients attending Maiduguri Teaching Hospital for malaria test between January and May, 2016. The samples were analysed using Enzyme Linked Immunosorbent Assays for dengue virus IgM antibodies (manufactured by Inverness Innovations Australia Pty Ltd ) and for Dengue virus NS1antigens (manufactured by Bio-Rad, France). The results showed a prevalence rate of 37.4% for DENV IgM antibodies and 9.9% for DENV NS1 antigens, with 3.3% of the subjects testingpositive for both IgM and NS1 antigen. Females were observed to have higher IgM prevalence rate of 41% and males showed higher NS1 antigen prevalence rate of 11.1%. The highest prevalence rate of 76.9% was recorded for IgM in the age bracket of 1-14 years. Samples from urban areas have the highest IgM antibodyprevalence rate of 41.4%, however, rural dwellers have the highest NS1 antigen prevalence rate of 11.3%. The presenting complaint with the highest IgM prevalence rate of 50% was headache + fever + nausea, while headache only had the highest NS1 antigen of 22.2%. The highest prevalence rate of 47.4% for IgM and 50% for NS1 antigen were recorded in March and May, 2016 respectively. This study therefore showed a high prevalence of IgM to Dengue fever virus indicating its circulation among febrile patients attending University of Maiduguri Teaching Hospital. Due to the probable misdiagnosis and subsequent treatment of dengue fever with other diseases such as malaria, dengue fever is shown to be prevalent in the study area. It is therefore recommended that febrile patients attending Maiduguri Teaching Hospital should be tested for dengue fever virus.
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尼日利亚博尔诺州迈杜古里大学教学医院发热门诊患者登革热病毒感染流行情况
登革热是由黄病毒属和黄病毒科登革热病毒(DENV)引起的一种人畜共患节肢动物传播的病毒性疾病,在非洲及其他地区流行。这种疾病可能是致命的,特别是在儿童和虚弱的病人中。本研究旨在利用ELISA试剂盒检测DENV IgM抗体和NS1抗原,诊断迈杜古里大学教学医院发热患者近期登革热病毒感染。2016年1月至5月在迈杜古里教学医院随机抽取91份静脉血进行疟疾检测。使用酶联免疫吸附法对样本进行分析,检测登革病毒IgM抗体(由Inverness Innovations Australia Pty Ltd生产)和登革病毒ns1抗原(由Bio-Rad,法国生产)。结果显示,登革热病毒IgM抗体阳性率为37.4%,NS1抗原阳性率为9.9%,其中IgM和NS1抗原均阳性的比例为3.3%。女性IgM患病率为41%,男性NS1抗原患病率为11.1%。1 ~ 14岁IgM患病率最高,为76.9%。城市地区IgM抗体患病率最高,为41.4%,而农村地区NS1抗原患病率最高,为11.3%。IgM患病率最高的主诉为头痛+发热+恶心(50%),而头痛的NS1抗原最高(22.2%)。2016年3月和5月IgM和NS1抗原感染率最高,分别为47.4%和50%。因此,这项研究表明登革热病毒IgM的高流行率表明其在迈杜古里大学教学医院的发热患者中传播。由于登革热与疟疾等其他疾病的误诊和后续治疗可能存在,因此登革热在研究地区普遍存在。因此,建议在迈杜古里教学医院就诊的发热病人应接受登革热病毒检测。
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