Clinical Features of Four West Nile Virus Cases and Its Molecular Characterization from a South Indian Tertiary Care Hospital

West Nile virus (WNV) is currently a significant reemerging virus of the 21st century. It belongs to the family Flaviviridae and genus Flavivirus. Although it is primarily transmitted by the Culex spp of mosquitoes, other routes of transmission are also well defined. Of eight lineages described, Lin...

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Main Authors: Shoba Mammen, Aiswarya Nair, Santhosh Kumar, Zayina Zonderveni, A. T. Prabhakar, Turaka Vijay Prakash, Sanjith Aaron, Mathew Alexander, Anand Zachariah, Asha Mary Abraham
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Case Reports in Infectious Diseases
Online Access:http://dx.doi.org/10.1155/2020/1315041
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author Shoba Mammen
Aiswarya Nair
Santhosh Kumar
Zayina Zonderveni
A. T. Prabhakar
Turaka Vijay Prakash
Sanjith Aaron
Mathew Alexander
Anand Zachariah
Asha Mary Abraham
author_facet Shoba Mammen
Aiswarya Nair
Santhosh Kumar
Zayina Zonderveni
A. T. Prabhakar
Turaka Vijay Prakash
Sanjith Aaron
Mathew Alexander
Anand Zachariah
Asha Mary Abraham
author_sort Shoba Mammen
collection DOAJ
description West Nile virus (WNV) is currently a significant reemerging virus of the 21st century. It belongs to the family Flaviviridae and genus Flavivirus. Although it is primarily transmitted by the Culex spp of mosquitoes, other routes of transmission are also well defined. Of eight lineages described, Lineage 1a has been reported from many parts of South India and is known to cause neuroinvasive illness. Many tests and serological techniques have been described to diagnose WNV infection such as complement fixation, neutralization, heamagglutination inhibition, ELISA, and PCR for molecular confirmation. The latter far outweighs the limitations inherent in the other tests. WNV infection is being reported from Vellore for the first time after 1968. This paper aims to describe four cases of WNV infection causing central nervous system manifestations with its molecular characterization. West Nile virus infection was diagnosed with the available molecular techniques such as PCR and sequencing, which emphasizes the need for considering West Nile virus in the differential diagnosis of acute meningoencephalitis and the wider availability of molecular diagnostic tests.
format Article
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institution Kabale University
issn 2090-6625
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language English
publishDate 2020-01-01
publisher Wiley
record_format Article
series Case Reports in Infectious Diseases
spelling doaj-art-29305b8ae4534a5ea91b84a2cb4766502025-02-03T01:03:50ZengWileyCase Reports in Infectious Diseases2090-66252090-66332020-01-01202010.1155/2020/13150411315041Clinical Features of Four West Nile Virus Cases and Its Molecular Characterization from a South Indian Tertiary Care HospitalShoba Mammen0Aiswarya Nair1Santhosh Kumar2Zayina Zonderveni3A. T. Prabhakar4Turaka Vijay Prakash5Sanjith Aaron6Mathew Alexander7Anand Zachariah8Asha Mary Abraham9Department of Clinical Virology, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Medicine, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Clinical Virology, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Clinical Virology, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Neurology, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Medicine, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Neurology, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Neurology, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Medicine, Christian Medical College, Vellore, Tamil Nadu, IndiaDepartment of Clinical Virology, Christian Medical College, Vellore, Tamil Nadu, IndiaWest Nile virus (WNV) is currently a significant reemerging virus of the 21st century. It belongs to the family Flaviviridae and genus Flavivirus. Although it is primarily transmitted by the Culex spp of mosquitoes, other routes of transmission are also well defined. Of eight lineages described, Lineage 1a has been reported from many parts of South India and is known to cause neuroinvasive illness. Many tests and serological techniques have been described to diagnose WNV infection such as complement fixation, neutralization, heamagglutination inhibition, ELISA, and PCR for molecular confirmation. The latter far outweighs the limitations inherent in the other tests. WNV infection is being reported from Vellore for the first time after 1968. This paper aims to describe four cases of WNV infection causing central nervous system manifestations with its molecular characterization. West Nile virus infection was diagnosed with the available molecular techniques such as PCR and sequencing, which emphasizes the need for considering West Nile virus in the differential diagnosis of acute meningoencephalitis and the wider availability of molecular diagnostic tests.http://dx.doi.org/10.1155/2020/1315041
spellingShingle Shoba Mammen
Aiswarya Nair
Santhosh Kumar
Zayina Zonderveni
A. T. Prabhakar
Turaka Vijay Prakash
Sanjith Aaron
Mathew Alexander
Anand Zachariah
Asha Mary Abraham
Clinical Features of Four West Nile Virus Cases and Its Molecular Characterization from a South Indian Tertiary Care Hospital
Case Reports in Infectious Diseases
title Clinical Features of Four West Nile Virus Cases and Its Molecular Characterization from a South Indian Tertiary Care Hospital
title_full Clinical Features of Four West Nile Virus Cases and Its Molecular Characterization from a South Indian Tertiary Care Hospital
title_fullStr Clinical Features of Four West Nile Virus Cases and Its Molecular Characterization from a South Indian Tertiary Care Hospital
title_full_unstemmed Clinical Features of Four West Nile Virus Cases and Its Molecular Characterization from a South Indian Tertiary Care Hospital
title_short Clinical Features of Four West Nile Virus Cases and Its Molecular Characterization from a South Indian Tertiary Care Hospital
title_sort clinical features of four west nile virus cases and its molecular characterization from a south indian tertiary care hospital
url http://dx.doi.org/10.1155/2020/1315041
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