Understanding the legal trade of cattle and camels and the derived risk of Rift Valley Fever introduction into and transmission within Egypt
Visualitza/Obre
Autor/a
Chevalier, Veronique
Busquets, Núria
Calistri, Paolo
Casal, Jordi
Attia, Mohamed
Elbassal, Rehab
Hosni, Heba
Farrag, Hatem
Hassan, Noura
Tawfik, Rasha
Abd Elkader, Sohair
Bayomy, Shahin
Data de publicació
2018-01-19ISSN
1935-2727
Resum
Rift Valley Fever (RVF) is a mosquito-borne zoonosis, which may cause significant losses for the livestock sector and have serious public health implications. Egypt has been repeatedly affected by RVF epidemics, mainly associated to the importation of animals from sub-Saharan countries, where the disease is endemic. The objective of our study was the improvement of the surveillance and control strategies implemented in Egypt. In order to do that, first we evaluated the legal trade of live animals into and within Egypt. Then, we assessed the risk of Rift Valley Fever virus (RVFV) transmission within the country using a multi-criteria evaluation approach. Finally, we combined the animal trade and the risk of RVFV transmission data to identify those areas and periods in which the introduction of RVFV is more likely. Our results indicate that the main risk of RVFV introduction is posed by the continuous flow of large number of camels coming from Sudan. The risk of RVFV transmission by vectors is restricted to the areas surrounding the Nile river, and does not vary significantly throughout the year. Imported camels are taken to quarantines, where the risk of RVFV transmission by vectors is generally low. Then, they are taken to animal markets or slaughterhouses, many located in populated areas, where the risk of RVFV transmission to animals or humans is much higher. The measures currently implemented (quarantines, vaccination or testing) seem to have a limited effect in reducing the risk of RVFV introduction, and therefore other (risk-based) surveillance strategies are proposed.
Tipus de document
Article
Versió del document
Versió publicada
Llengua
English
Matèries (CDU)
619 - Veterinària
Pàgines
25
Publicat per
Public Library of Science
Publicat a
PLoS Neglected Tropical Diseases
Citació
Napp, Sebastian, Veronique Chevalier, Núria Busquets, Paolo Calistri, Jordi Casal, Mohamed Attia, and Rehab Elbassal et al. 2018. "Understanding The Legal Trade Of Cattle And Camels And The Derived Risk Of Rift Valley Fever Introduction Into And Transmission Within Egypt". PLOS Neglected Tropical Diseases 12 (1): e0006143. Public Library of Science (PLoS). doi:10.1371/journal.pntd.0006143.
Número de l'acord de la subvenció
EC/FP7/613996/EU/Emerging viral vector borne diseases/VMERGE
Programa
Sanitat Animal
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