Virus neutralising activity of African fruit bat (Eidolon helvum) sera against emerging lyssaviruses

Wright, Edward, Hayman, David T.S., Vaughan, Aisling, Temperton, Nigel J., Wood, James L.N., Cunningham, Andrew A., Suu-Ire, Richard, Weiss, Robin A. and Fooks, Anthony R. (2010) Virus neutralising activity of African fruit bat (Eidolon helvum) sera against emerging lyssaviruses. Virology, 408 (2). pp. 183-189. ISSN 0042-6822

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It is likely that phylogroup 2 lyssaviruses circulate within bat reservoirs. We adapted a pseudotype (pt) neutralisation assay (PNA) to a multiplex format enabling serosurveillance for Lagos bat virus (LBV), Mokola virus (MOKV) and West Caucasian bat virus (WCBV) in a potential reservoir, the African straw-coloured fruit bat, Eidolon helvum. Highly correlated titres were observed between single and multiplex PNAs using ptLBV and ptMOKV (r = 0.97, p < 0.0001), validating its use for bat serosurveillance. Of the bat serum samples screened 56% neutralised ptLBV, 27% ptMOKV and 1% ptWCBV. Mean VNAb titres were 1:266, 1:35 and 1:7 against ptLBV, ptMOKV and ptWCBV respectively. The high seroprevalence estimates suggest that the infection rate of LBV in E. helvum remains high enough to persist in this species. This supports the hypothesis that LBV is endemic in Ghanaian E. helvum and we speculate that LBV may have co-evolved with African megachiroptera.

Item Type: Article
Subjects: University of Westminster > Science and Technology > Life Sciences, School of (No longer in use)
Depositing User: Miss Nina Watts
Date Deposited: 04 Aug 2011 09:22
Last Modified: 04 Aug 2011 09:22

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