A multidisciplinary study of the circulation of Nipah virus at the flying-fox / human interface in Cambodia: conciliating public health and conservation.

Cappelle Julien, Thavry Hoem, Furey Neil M., Vibol Hul, Prigent Steven, Epstein Jonathan H., Ngamprasertwong Thongchai, Visal Hok, Veasna Duong, Sowath Ly, Duboz Raphaël, Tran Annelise, Dussart Philippe, Tarantola Arnaud, Binot Aurélie. 2017. A multidisciplinary study of the circulation of Nipah virus at the flying-fox / human interface in Cambodia: conciliating public health and conservation.. In : Book of abstracts of the 66th WDA annual international conference. Wildlife Disease Association. s.l. : Wildlife Disease Association, Résumé, p. 162. WDA annual international conference. 66, Chiapas, Mexique, 23 July 2017/27 July 2017.

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Abstract : Flyingfoxes (Pteropus spp.) face several conservation threats in Southeast Asia. They are considered to be the main reservoir of the Nipah virus (NiV), which has caused more than 500 human cases since its emergence in Malaysia and Bangladesh. Though NiV circulation has been documented in flying foxes in Cambodia and Thai¬land, little is known in Southeast Asia about the risk of transmission of NiV to domestic animals and Humans. To better assess the risk of emergence of NiV in Cambodia while taking into account the conservation threats to flying foxes, we implemented a multidisciplinary study involving researchers (in ecology,epidemiology, virology, genetics, anthropology and modelling),conservationists and local and national authorities. We monitored the population dynamics and the diet of a colony of Lyle's flying fox(Pteropus lylei) as well as the circulation of NiV in the urine of these bats. We investigated the perception of the bats by local communities and their practices regarding bats (such as hunting, collecting guano, harvesting fruits, harvesting and drinking palm juice). We studied the bat / human interface by deploying GPS collars on 14 bats. Our results showed seasonal patterns in both population dynamics and virus circulation, allowing us to identi¬fy a period when local communities' practices may put them at a higher risk of infection. The telemetry study revealed areas with increased potential contacts between humans and bats. Interviews showed limited conflicts between bats and humans and the absence of perceived risk by local communities. An integrative model is being developed and participatory approaches are being used to transfer knowledge about the risk of emergence and ecosystem services associated with the flying foxes, in order to advocate the use of prevention measures conciliating public health and conservation. (Texte intégral)

Classification Agris : L72 - Pests of animals
L73 - Animal diseases
000 - Autres thèmes

Auteurs et affiliations

  • Cappelle Julien, CIRAD-BIOS-UMR ASTRE (FRA) ORCID: 0000-0001-7668-1971
  • Thavry Hoem, Institut Pasteur du Cambodge (KHM)
  • Furey Neil M., Fauna and Flora International (KHM)
  • Vibol Hul, Institut Pasteur du Cambodge (KHM)
  • Prigent Steven, CNRS (FRA)
  • Epstein Jonathan H., EcoHealth Alliance (USA)
  • Ngamprasertwong Thongchai, Chulalongkorn University (THA)
  • Visal Hok, Royal University of Phnom Penh (KHM)
  • Veasna Duong, Institut Pasteur du Cambodge (KHM)
  • Sowath Ly, Institut Pasteur du Cambodge (KHM)
  • Duboz Raphaël, CIRAD-BIOS-UMR ASTRE (KHM) ORCID: 0000-0002-2853-6195
  • Tran Annelise, CIRAD-BIOS-UMR ASTRE (REU) ORCID: 0000-0001-5463-332X
  • Dussart Philippe, Institut Pasteur du Cambodge (KHM)
  • Tarantola Arnaud, Institut Pasteur du Cambodge (KHM)
  • Binot Aurélie, CIRAD-BIOS-UMR ASTRE (THA) ORCID: 0000-0002-0295-4241

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