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Abstract

Environment

Standard Operating Procedure for Lyssavirus Surveillance of the Bat Population in Taiwan

Published: August 27th, 2019

DOI:

10.3791/59421

1Animal Health Research Institute, Council of Agriculture, Executive Yuan, 2Institute of Ecology and Evolutionary Biology, National Taiwan University, 3Bat Conservation Society of Taipei

Abstract

Viruses within the genus Lyssavirus are zoonotic pathogens, and at least seven lyssavirus species are associated with human cases. Because bats are natural reservoirs of most lyssaviruses, a lyssavirus surveillance program of bats has been conducted in Taiwan since 2008 to understand the ecology of these viruses in bats. In this program, non-governmental bat conservation organizations and local animal disease control centers cooperated to collect dead bats or bats dying of weakness or illness. Brain tissues of bats were obtained through necropsy and subjected to direct fluorescent antibody test (FAT) and reverse transcription polymerase chain reaction (RT-PCR) for detection of lyssavirus antigens and nucleic acids. For the FAT, at least two different rabies diagnosis conjugates are recommended. For the RT-PCR, two sets of primers (JW12/N165-146, N113F/N304R) are used to amplify a partial sequence of the lyssavirus nucleoprotein gene. This surveillance program monitors lyssaviruses and other zoonotic agents in bats. Taiwan bat lyssavirus is found in two cases of the Japanese pipistrelle (Pipistrellus abramus) in 2016–2017. These findings should inform the public, health professionals, and scientists of the potential risks of contacting bats and other wildlife.

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Keywords Lyssavirus

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