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Genetic characterization of Rift Valley Fever Virus in insectivorous bats during Inter-epidemic Periods, Egypt
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  • Hussein Ahmed,
  • Omar Ahmed,
  • A. H. El‑Deeb,
  • Mohamed Rasheed Gadalla,
  • Sherif Abdel Ghafar El-Soally
Hussein Ahmed
Cairo University Faculty of Veterinary Medicine

Corresponding Author:[email protected]

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Omar Ahmed
Cairo University Faculty of Veterinary Medicine
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A. H. El‑Deeb
Cairo University Faculty of Veterinary Medicine
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Mohamed Rasheed Gadalla
Cairo University Faculty of Veterinary Medicine
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Sherif Abdel Ghafar El-Soally
Egyptian Armed Forces
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Abstract

The possibility that the bats could act as amplifying/reservoir host for Rift valley Fever virus (RVFV) during the inter-epidemic period was investigated. Four-hundred different samples were obtained from 100 Egyptian insectivorous and frugivorous bats (comprising two species) and tested by real-time RT-PCR assay (rRT-PCR). Pooled liver from insectivorous but not frugivorous bat samples were found positive for RVFV RNA, Partial S and M genome segments sequencing, and phylogenetic analysis showed that these viruses are genetically close to those circulated in livestock and humans during the previously reported RVFV outbreaks in Egypt 1977-1978, 1993 and 2003. To our knowledge, this is the first evidence of the RVFV genome in insectivorous bats in Egypt.