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. 2019 Feb 1;4(Suppl 2):e001118.
doi: 10.1136/bmjgh-2018-001118. eCollection 2019.

Diagnostics for Nipah virus: a zoonotic pathogen endemic to Southeast Asia

Laura T Mazzola  1 , Cassandra Kelly-Cirino  1
Affiliations

Diagnostics for Nipah virus: a zoonotic pathogen endemic to Southeast Asia

Laura T Mazzola et al. BMJ Glob Health. .

Abstract

Nipah virus (NiV) is an emerging pathogen that, unlike other priority pathogens identified by WHO, is endemic to Southeast Asia. It is most commonly transmitted through exposure to saliva or excrement from the Pteropus fruit bat, or direct contact with intermediate animal hosts, such as pigs. NiV infection causes severe febrile encephalitic disease and/or respiratory disease; treatment options are limited to supportive care. A number of in-house diagnostic assays for NiV using serological and nucleic acid amplification techniques have been developed for NiV and are used in laboratory settings, including some early multiplex panels for differentiation of NiV infection from other febrile diseases. However, given the often rural and remote nature of NiV outbreak settings, there remains a need for rapid diagnostic tests that can be implemented at the point of care. Additionally, more reliable assays for surveillance of communities and livestock will be vital to achieving a better understanding of the ecology of the fruit bat host and transmission risk to other intermediate hosts, enabling implementation of a 'One Health' approach to outbreak prevention and the management of this zoonotic disease. An improved understanding of NiV viral diversity and infection kinetics or dynamics will be central to the development of new diagnostics, and access to clinical specimens must be improved to enable effective validation and external quality assessments. Target product profiles for NiV diagnostics should be refined to take into account these outstanding needs.

Keywords: NiV; henipavirus; in vitro diagnostics; nipah virus; outbreaks.

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Conflict of interest statement

Competing interests: None declared.

Figures

Figure 1
Figure 1
Geographical distribution of henipavirus (Nipah and Hendra) outbreaks. Reprinted from Emergency preparedness and response—Nipah virus infection, WHO, Geographic distribution of henipavirus outbreaks and fruit bats of Pteropodidae family, copyright (2008).
See this image and copyright information in PMC

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