Emergence of Japanese encephalitis in Australia : a diagnostic perspective
Copyright © 2022 The Author(s). Published by Elsevier B.V. All rights reserved..
The unprecedented emergence of Japanese encephalitis (JE) in mainland Australia represents an outbreak of high clinical and public health significance. JE is a zoonosis spread by mosquitoes and is one of the most important causes of endemic viral encephalitis in South-East Asia and the Indian subcontinent. While occasional cases of human Japanese encephalitis virus (JEV) infection have occurred in far north Australia, its detection in pigs and the substantial number of locally acquired human cases across multiple jurisdictions in early 2022 prompted the declaration of this outbreak as a Communicable Disease Incident of National Significance. Laboratory testing for JEV is complex, and most cases are diagnosed by serology, for which interpretation is difficult. This review provides a comprehensive outline of currently available methods for JEV diagnosis including serology, nucleic acid amplification testing, virus isolation, sequencing and metagenomics. The relative advantages and disadvantages of the diagnostic tests are presented, as well as their value in clinical and public health contexts. This review also explores the role of mosquito, veterinary and human surveillance as part of the laboratory response to JEV. As JEV may become endemic in Australia, a collaborative and coordinated One Health approach involving animal, human and environmental health is required for optimal disease response and control.
| Errataetall: |
CommentIn: Intern Med J. 2022 Dec;52(12):2029-2033. - PMID 37133372 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:54 |
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| Enthalten in: |
Pathology - 54(2022), 6 vom: 25. Okt., Seite 669-677 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pham, David [VerfasserIn] |
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| Links: |
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| Themen: |
Flavivirus |
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| Anmerkungen: |
Date Completed 23.09.2022 Date Revised 17.07.2023 published: Print-Electronic CommentIn: Intern Med J. 2022 Dec;52(12):2029-2033. - PMID 37133372 Citation Status MEDLINE |
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| doi: |
10.1016/j.pathol.2022.07.001 |
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| Förderinstitution / Projekttitel: |
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| 520 | |a The unprecedented emergence of Japanese encephalitis (JE) in mainland Australia represents an outbreak of high clinical and public health significance. JE is a zoonosis spread by mosquitoes and is one of the most important causes of endemic viral encephalitis in South-East Asia and the Indian subcontinent. While occasional cases of human Japanese encephalitis virus (JEV) infection have occurred in far north Australia, its detection in pigs and the substantial number of locally acquired human cases across multiple jurisdictions in early 2022 prompted the declaration of this outbreak as a Communicable Disease Incident of National Significance. Laboratory testing for JEV is complex, and most cases are diagnosed by serology, for which interpretation is difficult. This review provides a comprehensive outline of currently available methods for JEV diagnosis including serology, nucleic acid amplification testing, virus isolation, sequencing and metagenomics. The relative advantages and disadvantages of the diagnostic tests are presented, as well as their value in clinical and public health contexts. This review also explores the role of mosquito, veterinary and human surveillance as part of the laboratory response to JEV. As JEV may become endemic in Australia, a collaborative and coordinated One Health approach involving animal, human and environmental health is required for optimal disease response and control | ||
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