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Article
2024
Comparison of five serological methods for the detection of West Nile Virus antibodies
Comparison of five serological methods for the detection of West Nile Virus antibodies
Abstract (English)
The West Nile Virus (WNV), a member of the family Flaviviridae, is an emerging mosquito-borne flavivirus causing potentially severe infections in humans and animals involving the central nervous system (CNS). Due to its emerging tendency, WNV now occurs in many areas where other flaviviruses are co-occurring. Cross-reactive antibodies with flavivirus infections or vaccination (e.g., tick-borne encephalitis virus (TBEV), Usutu virus (USUV), yellow fever virus (YFV), dengue virus (DENV), Japanese encephalitis virus (JEV)) therefore remain a major challenge in diagnosing flavivirus infections. Virus neutralization tests are considered as reference tests for the detection of specific flavivirus antibodies, but are elaborate, time-consuming and need biosafety level 3 facilities. A simple and straightforward assay for the differentiation and detection of specific WNV IgG antibodies for the routine laboratory is urgently needed. In this study, we compared two commercially available enzyme-linked immunosorbent assays (anti-IgG WNV ELISA and anti-NS1-IgG WNV), a commercially available indirect immunofluorescence assay, and a newly developed in-house ELISA for the detection of WNV-NS1-IgG antibodies. All four tests were compared to an in-house NT to determine both the sensitivity and specificity of the four test systems. None of the assays could match the specificity of the NT, although the two NS1-IgG based ELISAs were very close to the specificity of the NT at 97.3% and 94.6%. The in-house WNV-NS1-IgG ELISA had the best performance regarding sensitivity and specificity. The specificities of the ELISA assays and the indirect immunofluorescence assays could not meet the necessary specificity and/or sensitivity.
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Viruses, 16 (2024), 5, 788.
https://doi.org/10.3390/v16050788.
ISSN: 1999-4915
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610 Medicine and health
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BibTeX
@article{Girl2024,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/16102},
doi = {10.3390/v16050788},
author = {Girl, Philipp and Euringer, Kathrin and Coroian, Mircea et al.},
title = {Comparison of five serological methods for the detection of West Nile Virus antibodies},
journal = {Viruses},
year = {2024},
volume = {16},
number = {5},
}