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Maia AC, de Souza Cardoso Quintão T, de Oliveira PM, Cassemiro ÉM, Alves DCC, de Melo Alves PP, Dos Anjos Pereira Martins F, Araujo ELL, da Costa Gurgel H, Noronha EF, Ramalho WM, Pereira AL, Slavov SN, de Araújo WN, Haddad R. Nasopharyngeal swabs as alternative specimens for the diagnosis of dengue virus infection. J Infect 2023:S0163-4453(23)00195-0. [PMID: 37003524 DOI: 10.1016/j.jinf.2023.03.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023]
Affiliation(s)
| | - Tatyane de Souza Cardoso Quintão
- Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil
| | - Pâmela Maria de Oliveira
- Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil
| | - Évelin Mota Cassemiro
- Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil
| | - Daiani Cristina Cilião Alves
- Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil; Euro-American University Centre-UNIEURO, Brasilia, Federal District, Brazil
| | | | | | | | - Helen da Costa Gurgel
- Laboratory the Geography, Environment and Health, University of Brasilia, Federal District, Brazil
| | - Elza Ferreira Noronha
- Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil
| | - Walter Massa Ramalho
- Faculty of Ceilândia, University of Brasilia, Federal District, Brazil; Center for Tropical Medicine, University of Brasilia, Federal District, Brazil
| | | | - Svetoslav Nanev Slavov
- Butantan Institute, São Paulo, Brazil; Blood Center of Ribeirão Preto, Faculty of Medicine of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Wildo Navegantes de Araújo
- Faculty of Ceilândia, University of Brasilia, Federal District, Brazil; Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; National Institute for Science and Technology for Health Technology Assessment, Porto Alegre/RS, Brazil
| | - Rodrigo Haddad
- Faculty of Ceilândia, University of Brasilia, Federal District, Brazil; Center for Tropical Medicine, University of Brasilia, Federal District, Brazil; Molecular Diagnostics Laboratory, University Hospital of Brasilia/EBSERH, Federal District, Brazil.
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2
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Effective Infection with Dengue Virus in Experimental Neonate and Adult Mice through the Intranasal Route. Viruses 2022; 14:v14071394. [PMID: 35891375 PMCID: PMC9322762 DOI: 10.3390/v14071394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/22/2022] [Accepted: 06/24/2022] [Indexed: 11/16/2022] Open
Abstract
Dengue virus, the causative agent of dengue fever, life-threatening hemorrhagic fever, and shock syndrome, is mainly transmitted to humans through mosquito vectors. It can also be transmitted through atypical routes, including needle stick injury, vertical transmission, blood transfusion, and organ transplantation. In addition, sporadic cases which have no clear infectious causes have raised the respiratory exposure concerns, and the risks remain unclear. Here, we analyze the respiratory infectivity of the dengue virus in BALB/c suckling and adult immunodeficient mice by the intranasal inoculation of dengue virus serotype 2. The infected mice presented with clinical symptoms, including excitement, emaciation, malaise, and death. Viremia was detected for 3 days post inoculation. Histopathological changes were observed in the brain, liver, and spleen. The virus showed evident brain tropism post inoculation and viral loads peaked at 7 days post inoculation. Furthermore, the virus was isolated from the infected mice; the sequence homology between the origin and isolates was 99.99%. Similar results were observed in adult IFN-α/β receptor-deficient mice. Overall, dengue virus can infect suckling mice and adult immune-deficient mice via the nasal route. This study broadens our perception of atypical dengue transmission routes and provides evidence of nasal transmission of dengue virus in the absence of mosquito vectors.
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3
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Chiou SS, Chen JM, Chen YY, Chia MY, Fan YC. The feasibility of field collected pig oronasal secretions as specimens for the virologic surveillance of Japanese encephalitis virus. PLoS Negl Trop Dis 2021; 15:e0009977. [PMID: 34860839 PMCID: PMC8673640 DOI: 10.1371/journal.pntd.0009977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 12/15/2021] [Accepted: 11/05/2021] [Indexed: 11/24/2022] Open
Abstract
Virologic surveillance of Japanese encephalitis virus (JEV) relies on collecting pig blood specimens and adult mosquitoes in the past. Viral RNAs extracted from pig blood specimens suffer from low detecting positivity by reverse transcription PCR (RT-PCR). The oronasal transmission of the virus has been demonstrated in experimentally infected pigs. This observation suggested oronasal specimens could be useful source in the virus surveillance. However, the role of this unusual route of transmission remains unproven in the operational pig farm. In this study, we explore the feasibility of using pig oronasal secretions collected by chewing ropes to improve the positivity of detection in commercial pig farms. The multiplex genotype-specific RT-PCR was used in this study to determine and compare the positivity of detecting JEV viral RNAs in pig’s oronasal secretions and blood specimens, and the primary mosquito vector. Oronasal specimens had the overall positive rate of 6.0% (95% CI 1.3%–16.6%) (3/50) to 10.0% (95% CI 2.1%–26.5%) (3/30) for JEV during transmission period despite the negative results of all blood-derived specimens (n = 2442). Interestingly, pig oronasal secretions and female Culex tritaeniorhynchus mosquito samples collected from the same pig farm showed similar viral RNA positive rates, 10.0% (95% CI 2.1%–26.5%) (3/30) and 8.9% (95% CI 2.5%–21.2%) (4/45), respectively (p> 0.05). Pig oronasal secretion-based surveillance revealed the seasonality of viral activity and identified closely related genotype I virus derived from the mosquito isolates. This finding indicates oronasal secretion-based RT-PCR assay can be a non-invasive, alternative method of implementing JEV surveillance in the epidemic area prior to the circulation of virus-positive mosquitoes. Mosquito-borne Japanese encephalitis virus (JEV) has either endemic or seasonal patterns of transmission in Asia and Australia. Most hosts infected by the virus remains asymptomatic but can result in severe encephalitis in humans and horses, and abortion or stillbirth in pregnant sows. Isolation of virus in adult mosquitoes or pig seroconversion has been used as an early indicator of upcoming JE outbreak in humans. Genotype identification of the virus is important since current human and domestic animal vaccines are all genotype III (GIII) specific. GIII vaccine elicited immunity has reduced cross-protections to genotypes other than GIII. Our virologic surveillance using pig’s oronasal secretion detected higher prevalence and earlier genotype I virus activity than using pig’s blood and mosquitoes, respectively. This proposed surveillance tool might be more effective that will allow the public health agency to properly implement the preventive measures, such as implementing mosquito control, encouraging booster vaccination, and encouraging the use of mosquito repellent, to reduce the impact of upcoming outbreak. Collection of pig’s oronasal secretion is non-invasive to pigs and less technically demanding to operators. Thus we propose the use of pig’s oronasal secretions as the novel source of specimens for virologic surveillance to replace the traditional pig blood or adult mosquito specimens to monitor and control JE outbreak/epidemic in the future.
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Affiliation(s)
- Shyan-Song Chiou
- Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Jo-Mei Chen
- Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Yi-Ying Chen
- Graduate Institute of Microbiology and Public Health, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Min-Yuan Chia
- Department of Veterinary Medicine, College of Veterinary Medicine, National Chung Hsing University, Taichung, Taiwan
| | - Yi-Chin Fan
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
- * E-mail:
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4
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Aman AT, Wibawa T, Kosasih H, Asdie RH, Safitri I, Intansari US, Mawarti Y, Sudarmono P, Arif M, Puspitasari D, Alisjahbana B, Parwati KTM, Gasem MH, Lokida D, Lukman N, Hartono TS, Mardian Y, Liang CJ, Siddiqui S, Karyana M, Lau CY. Etiologies of severe acute respiratory infection (SARI) and misdiagnosis of influenza in Indonesia, 2013-2016. Influenza Other Respir Viruses 2020; 15:34-44. [PMID: 32666619 PMCID: PMC7405185 DOI: 10.1111/irv.12781] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 03/02/2020] [Accepted: 06/18/2020] [Indexed: 12/12/2022] Open
Abstract
Background Severe acute respiratory infection (SARI) accounts for a large burden of illness in Indonesia. However, epidemiology of SARI in tertiary hospitals in Indonesia is unknown. This study sought to assess the burden, clinical characteristics, and etiologies of SARI and concordance of clinical diagnosis with confirmed etiology. Methods Data and samples were collected from subjects presenting with SARI as part of the acute febrile Illness requiring hospitalization study (AFIRE). In tertiary hospitals, clinical diagnosis was ascertained from chart review. Samples were analyzed to determine the “true” etiology of SARI at hospitals and Indonesia Research Partnership on Infectious Diseases (INA‐RESPOND) laboratory. Distribution and characteristics of SARI by true etiology and accuracy of clinical diagnosis were assessed. Results Four hundred and twenty of 1464 AFIRE subjects presented with SARI; etiology was identified in 242 (57.6%), including 121 (28.8%) viruses and bacteria associated with systemic infections, 70 (16.7%) respiratory bacteria and viruses other than influenza virus, and 51 (12.1%) influenza virus cases. None of these influenza patients were accurately diagnosed as having influenza during hospitalization. Conclusions Influenza was misdiagnosed among all patients presenting with SARI to Indonesian tertiary hospitals in the AFIRE study. Diagnostic approaches and empiric management should be guided by known epidemiology. Public health strategies to address the high burden of influenza should include broad implementation of SARI screening, vaccination programs, clinician education and awareness campaigns, improved diagnostic capacity, and support for effective point‐of‐care tests.
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Affiliation(s)
- Abu Tholib Aman
- Department of Microbiology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada / Dr. Sardjito Hospital, Yogyakarta, Indonesia.,Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia
| | - Tri Wibawa
- Department of Microbiology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada / Dr. Sardjito Hospital, Yogyakarta, Indonesia.,Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia
| | - Herman Kosasih
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia
| | - Rizka Humardewayanti Asdie
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia.,Department of Internal Medicine, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada / Dr. Sardjito Hospital, Yogyakarta, Indonesia
| | - Ida Safitri
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia.,Department of Pediatric, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada / Dr. Sardjito Hospital, Yogyakarta, Indonesia
| | - Umi Solekhah Intansari
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia.,Department of Clinical Pathology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada / Dr. Sardjito Hospital, Yogyakarta, Indonesia
| | - Yuli Mawarti
- Department of Microbiology, Faculty of Medicine, Public Health, and Nursing, Universitas Gadjah Mada / Dr. Sardjito Hospital, Yogyakarta, Indonesia.,Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia
| | - Pratiwi Sudarmono
- Cipto Mangunkusumo Hospital, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
| | - Mansyur Arif
- Faculty of Medicine, Universitas Hasanudin / Dr. Wahidin Sudirohusodo Hospital, Makassar, Indonesia
| | - Dwiyanti Puspitasari
- Dr. Soetomo Academic General Hospital, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Bachti Alisjahbana
- Faculty of Medicine, Universitas Padjadjaran / Dr. Hasan Sadikin Hospital, Sumedang, Indonesia
| | | | | | - Dewi Lokida
- Tangerang District Hospital, Tangerang, Indonesia
| | - Nurhayati Lukman
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia
| | - Teguh Sarry Hartono
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia.,Sulianti Saroso Hospital, Jakarta, Indonesia
| | - Yan Mardian
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia
| | - C Jason Liang
- National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
| | - Sophia Siddiqui
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia.,National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
| | - Muhammad Karyana
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia.,National Institute of Health Research and Development (NIHRD), Ministry of Health, Jakarta, Indonesia
| | - Chuen-Yen Lau
- Indonesia Research Partnership on Infectious Diseases (INA-RESPOND), Jakarta, Indonesia.,National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health, Bethesda, MD, USA
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5
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Vielle NJ, García-Nicolás O, Oliveira Esteves BI, Brügger M, Summerfield A, Alves MP. The Human Upper Respiratory Tract Epithelium Is Susceptible to Flaviviruses. Front Microbiol 2019; 10:811. [PMID: 31057517 PMCID: PMC6477545 DOI: 10.3389/fmicb.2019.00811] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Accepted: 03/29/2019] [Indexed: 01/24/2023] Open
Abstract
Flaviviruses replicate in a wide variety of species and have a broad cellular tropism. They are isolated from various body fluids, and Zika virus (ZIKV), Japanese encephalitis virus (JEV), and West Nile virus (WNV) RNAs have been detected in nasopharyngeal swabs. Consequently, we evaluated the cellular tropism and host responses upon ZIKV, JEV, WNV, and Usutu virus (USUV) infection using a relevant model of the human upper respiratory tract epithelium based on primary human nasal epithelial cells (NECs) cultured at the air-liquid interface. NECs were susceptible to all the viruses tested, and confocal analysis showed evidence of infection of ciliated and non-ciliated cells. Each flavivirus productively infected NECs, leading to apical and basolateral live virus shedding with particularly high basal release for JEV and WNV. As demonstrated by a paracellular permeability assay, the integrity of the epithelium was not affected by flavivirus infection, suggesting an active release of live virus through the basolateral surface. Also, we detected a significant secretion of interferon type III and the pro-inflammatory cytokine IP-10/CXCL10 upon infection with JEV. Taken together, our data suggest that the human upper respiratory tract epithelium is a target for flaviviruses and could potentially play a role in the spread of infection to other body compartments through basolateral virus release. Undoubtedly, further work is required to evaluate the risks and define the adapted measures to protect individuals exposed to flavivirus-contaminated body fluids.
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Affiliation(s)
- Nathalie J Vielle
- Institute of Virology and Immunology, Bern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.,Graduate School of Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Obdulio García-Nicolás
- Institute of Virology and Immunology, Bern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Blandina I Oliveira Esteves
- Institute of Virology and Immunology, Bern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Melanie Brügger
- Institute of Virology and Immunology, Bern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland.,Graduate School of Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
| | - Artur Summerfield
- Institute of Virology and Immunology, Bern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Marco P Alves
- Institute of Virology and Immunology, Bern, Switzerland.,Department of Infectious Diseases and Pathobiology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
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Attatippaholkun N, U-Pratya Y, Supraditaporn P, Lorthongpanich C, Pattanapanyasat K, Issaragrisil S. Dengue Virus and Its Relation to Human Glycoprotein IIb/IIIa Revealed by Fluorescence Microscopy and Flow Cytometry. Viral Immunol 2017; 30:654-661. [PMID: 28945165 DOI: 10.1089/vim.2017.0090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Understanding dengue virus (DENV)-induced hemorrhage remains a challenging jigsaw puzzle with many pieces missing to understand the complex interactions between DENV and blood coagulation system. To use flow cytometry studying the interactions between DENV and human platelet aggregation receptor, glycoprotein IIb/IIIa (gpIIb/IIIa), directly conjugated fluorochrome monoclonal antibody (mAb) is essential to facilitate multifluorochrome immunostaining. However, the obstacle was that no directly conjugated fluorochrome-anti-DENV mAb had been commercially available. To overcome, we directly conjugated fluorochrome to a primary anti-DENV mAb using a LYNX rapid conjugation kit. Flow cytometry analysis showed that this conjugated antibody and anti-gpIIb/IIIa mAb were able to detect DENV and CD41a simultaneously. Fluorescence microscopy analysis further demonstrated CD41a superficially and DENV intracellularly. Potentially, this strategy can facilitate virologists for directly conjugating any virus-specific primary antibodies, which are not commercially available with fluorochrome, to study the infectivity in any surface marker-specific hosts through flow cytometry. Together, DENV can interact with both human gpIIb/IIIa- and gpIIb/IIIa+ cells revealed by flow cytometry and fluorescence microscopy for the first time.
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Affiliation(s)
- Nattapol Attatippaholkun
- 1 Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand .,2 Siriraj Center of Excellence for Flow Cytometry, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand .,3 Division of Hematology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand .,4 Molecular Medicine Program, Faculty of Science, Mahidol University , Bangkok, Thailand
| | - Yaowalak U-Pratya
- 1 Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand .,3 Division of Hematology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand
| | - Panthipa Supraditaporn
- 1 Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand
| | - Chanchao Lorthongpanich
- 1 Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand
| | - Kovit Pattanapanyasat
- 2 Siriraj Center of Excellence for Flow Cytometry, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand
| | - Surapol Issaragrisil
- 1 Siriraj Center of Excellence for Stem Cell Research, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand .,3 Division of Hematology, Department of Medicine, Faculty of Medicine Siriraj Hospital, Mahidol University , Bangkok, Thailand
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7
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Cheng NM, Sy CL, Chen BC, Huang TS, Lee SSJ, Chen YS. Isolation of dengue virus from the upper respiratory tract of four patients with dengue fever. PLoS Negl Trop Dis 2017; 11:e0005520. [PMID: 28379967 PMCID: PMC5403165 DOI: 10.1371/journal.pntd.0005520] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Revised: 04/24/2017] [Accepted: 03/22/2017] [Indexed: 11/18/2022] Open
Abstract
Background Dengue fever is an important arboviral disease. The clinical manifestations vary from a mild non-specific febrile syndrome to severe life-threatening illness. The virus can usually be detected in the blood during the early stages of the disease. Dengue virus has also been found in isolated cases in the cerebrospinal fluid, urine, nasopharyngeal sections and saliva. In this report, we describe the isolation of dengue virus from the upper respiratory tract of four confirmed cases of dengue. Methods We reviewed all laboratory reports of the isolation of dengue virus from respiratory specimens at the clinical microbiology laboratory of the Kaohsiung Veterans General Hospital during 2007 to 2015. We then examined the medical records of the cases from whom the virus was isolated to determine their demographic characteristics, family contacts, clinical signs and symptoms, course of illness and laboratory findings. Results Dengue virus was identified in four patients from a nasopharyngeal or throat culture. Two were classified as group A dengue (dengue without warning signs), one as group B (dengue with warning signs) and one as group C (severe dengue). All had respiratory symptoms. Half had family members with similar respiratory symptoms during the period of their illnesses. All of the patients recovered uneventfully. Conclusions The isolation of dengue virus from respiratory specimens of patients with cough, rhinorrhea and nasal congestion, although rare, raises the possibility that the virus is capable of transmission by the aerosol route among close contacts. This concept is supported by studies that show that the virus can replicate in cultures of respiratory epithelium and can be transmitted through mucocutaneous exposure to blood from infected patients. However, current evidence is insufficient to prove the hypothesis of transmission through the respiratory route. Further studies will be needed to determine the frequency of respiratory colonization, viable virus titers in respiratory secretions and molecular genetic evidence of transmission among close contacts. Dengue virus is rarely identified in respiratory specimens. We retrospectively identified four patients with dengue fever who had the virus isolated from their nose or throat. All the patients had respiratory signs or symptoms. Half had family members who also had respiratory symptoms. Further studies are needed to evaluate the possibility of respiratory transmission of this virus.
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Affiliation(s)
- Nai-Ming Cheng
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Cheng Len Sy
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- * E-mail:
| | - Bao-Chen Chen
- Division of Microbiology, Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Tsi-Shu Huang
- Division of Microbiology, Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Susan Shin-Jung Lee
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Division of Microbiology, Department of Pathology and Laboratory Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Yao-Shen Chen
- Division of Infectious Diseases, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
- Faculty of Medicine, National Yang-Ming University, Taipei, Taiwan
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8
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Zhou Y, Fernandez S, Yoon IK, Simasathien S, Watanaveeradej V, Yang Y, Marte-Salcedo OA, Shuck-Lee DJ, Thomas SJ, Hang J, Jarman RG. Metagenomics Study of Viral Pathogens in Undiagnosed Respiratory Specimens and Identification of Human Enteroviruses at a Thailand Hospital. Am J Trop Med Hyg 2016; 95:663-669. [PMID: 27352877 PMCID: PMC5014275 DOI: 10.4269/ajtmh.16-0062] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Accepted: 05/12/2016] [Indexed: 12/11/2022] Open
Abstract
Numerous pathogens cause respiratory infections with similar symptoms. Routine diagnostics detect only a limited number of pathogens, leaving a gap in respiratory illness etiology surveillance. This study evaluated next-generation sequencing for unbiased pathogen identification. Respiratory samples collected in Thailand, Philippines, Bhutan, and Nepal, that were negative by several molecular and immunofluorescence assays, underwent viral cultivation. Samples which demonstrated cytopathic effect in culture (N = 121) were extracted and tested by Luminex xTAG respiratory viral panel (RVP) assay and deep sequencing by Roche 454 FLX Titanium system. Using RVP assay, 52 (43%) samples were positive for enterovirus or rhinovirus and another three were positive for respiratory syncytial virus B, parainfluenza 4, and adenovirus. Deep sequencing confirmed the Luminex assay results and identified additional viral pathogens. Human enteroviruses, including Enterovirus A type 71 and 12 types of Enterovirus B (EV-B) were identified from a hospital in Bangkok. Phylogenetic and recombination analysis showed high correlation of VP1 gene-based phylogeny with genome-wide phylogeny and the frequent genetic exchange among EV-B viruses. The high number and diversity of enteroviruses in the hospital in Bangkok suggests prevalent existence. The metagenomic approach used in our study enabled comprehensive diagnoses of respiratory viruses.
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Affiliation(s)
- Yanfei Zhou
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Stefan Fernandez
- Department of Virology, U.S. Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand
| | - In-Kyu Yoon
- International Vaccine Institute, Seoul, Republic of Korea.,Department of Virology, U.S. Armed Forces Research Institute of Medical Sciences, Bangkok, Thailand
| | | | | | - Yu Yang
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Omely A Marte-Salcedo
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Deidra J Shuck-Lee
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Stephen J Thomas
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Jun Hang
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland
| | - Richard G Jarman
- Viral Diseases Branch, Walter Reed Army Institute of Research, Silver Spring, Maryland
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9
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Yafouz B, Kadri NA, Rothan HA, Yusof R, Ibrahim F. Discriminating dengue-infected hepatic cells (WRL-68) using dielectrophoresis. Electrophoresis 2015; 37:511-8. [PMID: 26530354 DOI: 10.1002/elps.201500282] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 10/12/2015] [Accepted: 10/12/2015] [Indexed: 01/25/2023]
Abstract
Dielectrophoresis (DEP), the induced movement of dielectric particles placed in a nonuniform electric field, has been used as a potential technique for manipulation and separation of many biological samples without destructive consequences to the cell. Cells of the same genotype in different physiological and pathological states have unique morphological and structural features, therefore, it is possible to differentiate between them using their DEP responses. This paper reports the experimental discrimination of normal and dengue-infected human hepatic fetal epithelial cells (WRL-68 cells) based on their DEP crossover frequency, at which no resultant movement occurs in the cells in response to the DEP force. A microarray dot electrode was used to conduct the DEP experiments. The DEP forces applied to the cells were quantified by analyzing the light intensity shift within the electrode's dot region based on the Cumulative Modal Intensity Shift image analysis technique. The differences in dielectric properties between infected and uninfected cells were exploited by plotting a unique DEP spectrum for each set of cells. We observed that the crossover frequency decreased from 220 kHz for the normal WRL-68 cells to 140 kHz after infection with the dengue virus in a medium conductivity of 100 μS/cm. We conclude that the change in the DEP crossover frequency between dengue-infected cells and their healthy counterparts should allow direct characterization of these cell types by exploiting their electrophysiological properties.
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Affiliation(s)
- Bashar Yafouz
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia.,Centre for Innovation in Medical Engineering (CIME), Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
| | - Nahrizul Adib Kadri
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia.,Centre for Innovation in Medical Engineering (CIME), Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
| | - Hussin A Rothan
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Rohana Yusof
- Department of Molecular Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Fatimah Ibrahim
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia.,Centre for Innovation in Medical Engineering (CIME), Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
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Felices V, Ampuero JS, Guevara C, Caceda ER, Gomez J, Santiago-Maldonado FW, Aguilar PV, Halsey ES. St. Louis encephalitis virus infection in woman, Peru. Emerg Infect Dis 2014; 20:730-2. [PMID: 24655897 PMCID: PMC3966368 DOI: 10.3201/eid2004.131735] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Abstract
Dengue viruses are major contributors to illness and death globally. Here we analyze the extrinsic and intrinsic incubation periods (EIP and IIP), in the mosquito and human, respectively. We identified 146 EIP observations from 8 studies and 204 IIP observations from 35 studies. These data were fitted with censored Bayesian time-to-event models. The best-fitting temperature-dependent EIP model estimated that 95% of EIPs are between 5 and 33 days at 25°C, and 2 and 15 days at 30°C, with means of 15 and 6.5 days, respectively. The mean IIP estimate was 5.9 days, with 95% expected between days 3 and 10. Differences between serotypes were not identified for either incubation period. These incubation period models should be useful in clinical diagnosis, outbreak investigation, prevention and control efforts, and mathematical modeling of dengue virus transmission.
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von Ranke FM, Zanetti G, Hochhegger B, Marchiori E. Infectious diseases causing diffuse alveolar hemorrhage in immunocompetent patients: a state-of-the-art review. Lung 2012; 191:9-18. [PMID: 23128913 PMCID: PMC7102311 DOI: 10.1007/s00408-012-9431-7] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2012] [Accepted: 10/10/2012] [Indexed: 12/19/2022]
Abstract
Diffuse alveolar hemorrhage (DAH) represents a syndrome that can complicate many clinical conditions and may be life-threatening, requiring prompt treatment. It is recognized by the signs of acute- or subacute-onset cough, hemoptysis, diffuse radiographic pulmonary infiltrates, anemia, and hypoxemic respiratory distress. DAH is characterized by the accumulation of intra-alveolar red blood cells originating most frequently from the alveolar capillaries. It must be distinguished from localized pulmonary hemorrhage, which is most commonly due to chronic bronchitis, bronchiectasis, tumor, or localized infection. Hemoptysis, the major sign of DAH, may develop suddenly or over a period of days to weeks; this sign may also be initially absent, in which case diagnostic suspicion is established after sequential bronchoalveolar lavage reveals worsening red blood cell counts. The causes of DAH can be divided into infectious and noninfectious, the latter of which may affect immunocompetent or immunodeficient patients. Pulmonary infections are rarely reported in association with DAH, but they should be considered in the diagnostic workup because of the obvious therapeutic implications. In immunocompromised patients, the main infectious diseases that cause DAH are cytomegalovirus, adenovirus, invasive aspergillosis, Mycoplasma, Legionella, and Strongyloides. In immunocompetent patients, the infectious diseases that most frequently cause DAH are influenza A (H1N1), dengue, leptospirosis, malaria, and Staphylococcus aureus infection. Based on a search of the PubMed and Scopus databases, we review the infectious diseases that may cause DAH in immunocompetent patients.
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Affiliation(s)
- Felipe Mussi von Ranke
- Department of Radiology, Federal University of Rio de Janeiro, 438 Rua Thomaz Cameron, Valparaiso, Petrópolis, RJ, CEP 25685.120, Brazil
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Karanth SS, Gupta A, Prabhu M. Unilateral massive hemothorax in Dengue hemorrhagic fever: A unique presentation. ASIAN PAC J TROP MED 2012; 5:753-4. [DOI: 10.1016/s1995-7645(12)60120-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2011] [Revised: 03/28/2012] [Accepted: 05/15/2012] [Indexed: 11/29/2022] Open
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Halsey ES, Marks MA, Gotuzzo E, Fiestas V, Suarez L, Vargas J, Aguayo N, Madrid C, Vimos C, Kochel TJ, Laguna-Torres VA. Correlation of serotype-specific dengue virus infection with clinical manifestations. PLoS Negl Trop Dis 2012; 6:e1638. [PMID: 22563516 PMCID: PMC3341333 DOI: 10.1371/journal.pntd.0001638] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2011] [Accepted: 03/23/2012] [Indexed: 11/24/2022] Open
Abstract
Background Disease caused by the dengue virus (DENV) is a significant cause of morbidity throughout the world. Although prior research has focused on the association of specific DENV serotypes (DENV-1, DENV-2, DENV-3, and DENV-4) with the development of severe outcomes such as dengue hemorrhagic fever and dengue shock syndrome, relatively little work has correlated other clinical manifestations with a particular DENV serotype. The goal of this study was to estimate and compare the prevalence of non-hemorrhagic clinical manifestations of DENV infection by serotype. Methodology and Principal Findings Between the years 2005–2010, individuals with febrile disease from Peru, Bolivia, Ecuador, and Paraguay were enrolled in an outpatient passive surveillance study. Detailed information regarding clinical signs and symptoms, as well as demographic information, was collected. DENV infection was confirmed in patient sera with polyclonal antibodies in a culture-based immunofluorescence assay, and the infecting serotype was determined by serotype-specific monoclonal antibodies. Differences in the prevalence of individual and organ-system manifestations were compared across DENV serotypes. One thousand seven hundred and sixteen individuals were identified as being infected with DENV-1 (39.8%), DENV-2 (4.3%), DENV-3 (41.5%), or DENV-4 (14.4%). When all four DENV serotypes were compared with each other, individuals infected with DENV-3 had a higher prevalence of musculoskeletal and gastrointestinal manifestations, and individuals infected with DENV-4 had a higher prevalence of respiratory and cutaneous manifestations. Conclusions/Significance Specific clinical manifestations, as well as groups of clinical manifestations, are often overrepresented by an individual DENV serotype. Dengue virus (DENV) causes disease in millions of people annually and disproportionately affects those in the developing world. DENVs may be divided into four serotypes (DENV-1, DENV-2, DENV-3, and DENV-4) and a geographical region may be affected by one or more DENV serotypes simultaneously. Infection with DENV may cause life-threatening disease such as dengue hemorrhagic fever (DHF) or dengue shock syndrome (DSS), but more often causes less severe manifestations affecting a wide range of organs. Although many previous reports have explored the role of the different DENV serotypes in the development of severe manifestations, little attention has focused on the relative role of each DENV serotype in the development of cutaneous, respiratory, gastrointestinal, musculoskeletal, and neurological manifestations. We recruited a large group of participants from four countries in South America to compare the prevalence of more than 30 manifestations among the four different DENV serotypes. We found that certain DENV serotypes were often associated with a higher prevalence of a certain manifestation (e.g., DENV-3 and diarrhea) or manifestation group (e.g., DENV-4 and cutaneous manifestations).
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Affiliation(s)
- Eric S Halsey
- United States Naval Medical Research Unit Six, Lima, Perú.
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Fatima Z, Idrees M, Bajwa MA, Tahir Z, Ullah O, Zia MQ, Hussain A, Akram M, Khubaib B, Afzal S, Munir S, Saleem S, Rauff B, Badar S, Naudhani M, Butt S, Aftab M, Ali L, Ali M. Serotype and genotype analysis of dengue virus by sequencing followed by phylogenetic analysis using samples from three mini outbreaks-2007-2009 in Pakistan. BMC Microbiol 2011; 11:200. [PMID: 21906394 PMCID: PMC3180347 DOI: 10.1186/1471-2180-11-200] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2011] [Accepted: 09/10/2011] [Indexed: 11/24/2022] Open
Abstract
Background Since the first reported outbreak of dengue hemorrhagic fever in Pakistan, several mini outbreaks have erupted in the region. Dengue virus serotype 3 (DEN-3) was first documented in 2005 outbreak in Karachi. Reports show that serotype 3 is prevalent in Lahore since 2008. Serotype 2 (DEN-2) is the major circulating serotype in Pakistan as it is documented since 1994. We have conducted a detailed study of three outbreaks of dengue virus infection that occurred in years 2007, 2008 and 2009 in Lahore by using molecular techniques such as PCR and nucleotide sequencing of the C-prM gene junction of Dengue virus. Results Through the analysis of 114 serum samples collected over the period of three years (2007-2009), total 20 patients were found to be infected with dengue virus. In year 2007, four were positive for serotype 2 and one sample was positive for serotype DEN-3. In 2008, five samples had concurrent infection with serotypes DEN-2 and DEN-3 while three samples were infected only with serotype DEN-2. In year 2009, one sample had concurrent infection with serotypes DEN-2 and DEN-3 while six were positive for serotype DEN-2 only. Conclusions Our study showed that serotype DEN-2 was dominant in positive samples of dengue virus infection collected during the period of three years (2007-2009). The other serotype present was serotype DEN-3. Genotypes of serotype DEN-2 and serotype DEN-3 were subtype IV and subtype III, respectively.
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Affiliation(s)
- Zareen Fatima
- Division of Molecular Virology, CEMB University of the Punjab, 87-West Canal Bank Road, Thokar Niaz Baig, Lahore-53700, Pakistan
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Kumbhat S, Sharma K, Gehlot R, Solanki A, Joshi V. Surface plasmon resonance based immunosensor for serological diagnosis of dengue virus infection. J Pharm Biomed Anal 2010; 52:255-9. [DOI: 10.1016/j.jpba.2010.01.001] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2009] [Revised: 12/26/2009] [Accepted: 01/05/2010] [Indexed: 10/20/2022]
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Tavakoli NP, Wang H, Dupuis M, Hull R, Ebel GD, Gilmore EJ, Faust PL. Fatal case of deer tick virus encephalitis. N Engl J Med 2009; 360:2099-107. [PMID: 19439744 PMCID: PMC2847876 DOI: 10.1056/nejmoa0806326] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Deer tick virus is related to Powassan virus, a tickborne encephalitis virus. A 62-year-old man presented with a meningoencephalitis syndrome and eventually died. Analyses of tissue samples obtained during surgery and at autopsy revealed a widespread necrotizing meningoencephalitis. Nucleic acid was extracted from formalin-fixed tissue, and the presence of deer tick virus was verified on a flavivirus-specific polymerase-chain-reaction (PCR) assay, followed by sequence confirmation. Immunohistochemical analysis with antisera specific for deer tick virus identified numerous immunoreactive neurons, with prominent involvement of large neurons in the brain stem, cerebellum, basal ganglia, thalamus, and spinal cord. This case demonstrates that deer tick virus can be a cause of fatal encephalitis.
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Affiliation(s)
- Norma P Tavakoli
- Wadsworth Center, New York State Department of Health and the Department of Biomedical Sciences, School of Public Health, University at Albany, Albany, New York, USA.
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Marchiori E, Ferreira JLN, Bittencourt CN, de Araújo Neto CA, Zanetti G, Mano CM, Santos AASD, Vianna AD. Pulmonary hemorrhage syndrome associated with dengue fever, high-resolution computed tomography findings: a case report. Orphanet J Rare Dis 2009; 4:8. [PMID: 19265524 PMCID: PMC2660293 DOI: 10.1186/1750-1172-4-8] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2008] [Accepted: 03/05/2009] [Indexed: 11/25/2022] Open
Abstract
Dengue hemorrhagic fever is an acute infectious disease caused by dengue virus. We described the high-resolution CT findings in a 70-year-old male with the disease, which was diagnosed by clinical examination and confirmed by serological methods. High-resolution CT demonstrated bilateral areas of consolidation with air bronchogram and ground glass opacities, as well as small bilateral pleural effusions. Dengue hemorrhagic fever should be considered in the differential diagnosis of diffuse pulmonary hemorrhage.
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Affiliation(s)
- Edson Marchiori
- Fluminense Federal University, Rua Thomaz Cameron, 438, Valparaiso, CEP 25685,120, Petrópolis, Rio de Janeiro, Brazil.
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Detection and serotyping of dengue virus in serum samples by multiplex reverse transcriptase PCR-ligase detection reaction assay. J Clin Microbiol 2008; 46:3276-84. [PMID: 18685000 DOI: 10.1128/jcm.00163-08] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The detection and successful typing of dengue virus (DENV) from patients with suspected dengue fever is important both for the diagnosis of the disease and for the implementation of epidemiologic control measures. A technique for the multiplex detection and typing of DENV serotypes 1 to 4 (DENV-1 to DENV-4) from clinical samples by PCR-ligase detection reaction (LDR) has been developed. A serotype-specific PCR amplifies the regions of genes C and E simultaneously. The two amplicons are targeted in a multiplex LDR, and the resultant fluorescently labeled ligation products are detected on a universal array. The assay was optimized using 38 DENV strains and was evaluated with 350 archived acute-phase serum samples. The sensitivity of the assay was 98.7%, and its specificity was 98.4%, relative to the results of real-time PCR. The detection threshold was 0.017 PFU for DENV-1, 0.004 PFU for DENV-2, 0.8 PFU for DENV-3, and 0.7 PFU for DENV-4. The assay is specific; it does not cross-react with the other flaviviruses tested (West Nile virus, St. Louis encephalitis virus, Japanese encephalitis virus, Kunjin virus, Murray Valley virus, Powassan virus, and yellow fever virus). All but 1 of 26 genotypic variants of DENV serotypes in a global DENV panel from different geographic regions were successfully identified. The PCR-LDR assay is a rapid, sensitive, specific, and high-throughput technique for the simultaneous detection of all four serotypes of DENV.
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Current World Literature. Curr Opin Pulm Med 2008; 14:266-73. [DOI: 10.1097/mcp.0b013e3282ff8c19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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