Arid
DOI10.1111/tbed.12331
Identifying Areas Suitable for the Occurrence of Rift Valley Fever in North Africa: Implications for Surveillance
Arsevska, E.1; Hellal, J.2; Mejri, S.2; Hammami, S.3; Marianneau, P.4; Calavas, D.1; Henaux, V.1
通讯作者Henaux, V.
来源期刊TRANSBOUNDARY AND EMERGING DISEASES
ISSN1865-1674
EISSN1865-1682
出版年2016
卷号63期号:6页码:658-674
英文摘要

Rift Valley fever (RVF) is a vector-borne zoonotic disease that has caused widespread outbreaks throughout Africa and the Arabian Peninsula, with serious consequences for livestock-based economies and public health. Although there have never been any reports of RVF in Morocco, Algeria, Tunisia and Libya, it is a priority disease in the Maghreb, due to the threat of introduction of the virus through transboundary livestock movements or infected mosquito vectors. However, the implementation of surveillance activities and early warning contingency plans requires better knowledge of the epidemiological situation. We conducted a multicriteria decision analysis, integrating host distribution with a combination of important ecological factors that drive mosquito abundance, to identify hot-spots and suitable time periods for RVF enzootic circulation (i.e. stable transmission at a low to moderate level for an extended period of time) and an RVF epizootic event (i.e. a sudden occurrence of a large number of infected animals over a large geographic area) in the Maghreb. We also modelled vector species distribution using available information on vector presence and habitat preference. We found that the northern regions of the Maghreb were moderately suitable for RVF enzootics, but highly suitable for RVF epizootics. The vector species distribution model identified these regions as the most favourable mosquito habitats. Due to the low density of animal hosts and arid conditions, the desert region showed low RVF suitability, except in oases. However, the presence of competent vectors in putative unsuitable areas underlines the need for further assessments of mosquito habitat preference. This study produced monthly RVF suitability maps useful for animal health managers and veterinary services involved in designing risk-based surveillance programmes. The suitability maps can be further enhanced using existing country-specific sources of information and by incorporating knowledge - as it becomes available - on the epidemiology of the disease and distribution of vectors in the Maghreb.


英文关键词Rift Valley fever multicriteria decision analysis mosquito habitat distribution spatial risk vector-borne disease zoonotic disease
类型Article
语种英语
国家France ; Tunisia
收录类别SCI-E
WOS记录号WOS:000389847900024
WOS关键词MULTICRITERIA DECISION-ANALYSIS ; VECTOR-BORNE DISEASES ; AEDES-VEXANS ; ENVIRONMENTAL-TEMPERATURE ; RISK-ASSESSMENT ; VIRUS ; DIPTERA ; LIVESTOCK ; PATTERNS ; CLIMATE
WOS类目Infectious Diseases ; Veterinary Sciences
WOS研究方向Infectious Diseases ; Veterinary Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/196693
作者单位1.Agence Natl Securite Sanit Alimentat Environm & T, Unite Epidemiol, Lab Lyon, Lyon, France;
2.IRVT, Tunis, Tunisia;
3.CNVZ, Tunis, Tunisia;
4.Agence Natl Securite Sanit Alimentat Environm & T, Lab Lyon, Unite Virol, Lyon, France
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Arsevska, E.,Hellal, J.,Mejri, S.,et al. Identifying Areas Suitable for the Occurrence of Rift Valley Fever in North Africa: Implications for Surveillance[J],2016,63(6):658-674.
APA Arsevska, E..,Hellal, J..,Mejri, S..,Hammami, S..,Marianneau, P..,...&Henaux, V..(2016).Identifying Areas Suitable for the Occurrence of Rift Valley Fever in North Africa: Implications for Surveillance.TRANSBOUNDARY AND EMERGING DISEASES,63(6),658-674.
MLA Arsevska, E.,et al."Identifying Areas Suitable for the Occurrence of Rift Valley Fever in North Africa: Implications for Surveillance".TRANSBOUNDARY AND EMERGING DISEASES 63.6(2016):658-674.
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