Bird Species Potentially Involved in Introduction, Amplification, And Spread of West Nile Virus in A Mediterranean Wetland, The Camargue (Southern France)

Jourdain, Elsa; Toussaint, Y; Leblond, Agnès; Bicout, Dominique; Sabatier, Philippe; Gauthier‐Clerc, Michel

doi:10.1089/vbz.2006.0543

Cited by 53 publications

(36 citation statements)

References 45 publications

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“…Given the anthropogenic behavior of this species, it has often been proposed as a key species in the understanding of transmission to humans and as a focal species for WNV monitoring (Komar et al 2001, Jourdain et al 2007). However, none of the individuals sampled in our study presented antibodies, unlike the case of another Interestingly, recent detailed analyses of the dynamics of WNV in relation to bird ecology identified the conspecific species Turdus migratorius as a likely key species in explaining the transmission of WNV to humans in North America (Kilpatrick et al 2006).…”

Section: Discussionmentioning

confidence: 99%

Prevalence of West Nile Virus Neutralizing Antibodies in Spain Is Related to the Behavior of Migratory Birds

López

Jiménez‐Clavero²,

Tejedor³

et al. 2008

Vector-Borne and Zoonotic Diseases

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West Nile virus (WNV) is a bird flavivirus capable of infecting horses and humans that is transmitted by blood-sucking vectors. In Europe and Africa, sporadic infections and outbreaks causing human illness and deaths have occurred and have led to 2 mutually nonexclusive hypotheses regarding the circulation of WNV in Europe: (1) the occurrence of endemic sylvatic cycles that occasionally result in human or equine infection, or (2) sporadic seeding of WNV by migratory birds from areas where the virus is endemic in Africa or elsewhere that cause local epizootic foci and eventually lead to infection in humans. To investigate these 2 possibilities, we used a micro virus-neutralization test to examine the prevalence of WNV neutralizing antibodies in 574 individuals belonging to 25 species of birds captured in spring 2004 in Seville (southern Spain). Trans-Saharan migrant species had both higher prevalences and antibody titers than resident and short-distance migrants. This result suggests that trans-Saharan migrants spend part of their life cycles in areas with greater circulation of WNV, or a closely related flavivirus, before their arrival in Spain. On the other hand, seroprevalences assessed in resident birds suggest a low level of WNV circulation in the studied locality. Aside from the question of local circulation, it thus seems that the risk for introduction of strains of WNV from Africa by migratory birds merits further field and experimental studies in Spain.

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Section: Discussionmentioning

confidence: 99%

Prevalence of West Nile Virus Neutralizing Antibodies in Spain Is Related to the Behavior of Migratory Birds

López

Jiménez‐Clavero²,

Tejedor³

et al. 2008

Vector-Borne and Zoonotic Diseases

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“…There have been several reviews of aspects of WNV such as its introduction and subsequent spread in USA (Gould and Fikrig 2004), its biology and potential to spread to South America, citing mosquitoes in the genus Culex as the major vector (Granwehr et al 2004). Jourdain et al (2007) referred to risk in the Camargue in southern France and Kaptoul et al (2007) noted the first case in Spain. Risk of WNV has been assessed for the British Isles by Medlock et al (2005), based on the ecology of the mosquito vectors.…”

Section: West Nile Virusmentioning

confidence: 99%

Wetlands and mosquitoes: a review

Dale

Knight

2008

Wetlands Ecol Manage

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This review brings together information on mosquitoes, the diseases they transmit and the wetlands that provide habitats for the immature stages (eggs and larvae). Wetland values are mentioned, though the main literature on this does not generally overlap the mosquito issue. Mosquito management is overviewed to include: the use of larvicides, source reduction in intertidal wetlands and management in freshwater systems. There is not a great deal of information on mosquitoes and freshwater systems, except for constructed wetlands and they are considered separately. We then consider restoration mainly in the context of wetlands that have been the subject of habitat modification for mosquito control. Land use and climate change, as they affect mosquitoes and the diseases they transmit, are also reviewed, as this will affect wetlands via management activities. Finally the review addresses the critical issue of balancing health, both human and environmental, in an adaptive framework. It concludes that there is a need to ensure that both mosquito and wetland management communicate and integrate to sustain wetland and human health.

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“…In contrast, no deaths of birds have been reported in Europe, Africa, and Asia [5,117], and the first sporadic cases of death of birds or outbreaks in poultry farms were reported during the mid-1990s [33,36,69,118]. The differences in the course of WNV infections in birds in Europe, Asia, and Africa compared to those in the USA could be explained by the fact that WNV had long been endemic in Africa and Asia, and birds living in these areas had to cope permanently with the pathogen.…”

Section: Birdsmentioning

confidence: 99%

West Nile Virus

2013

Transfus Med Hemother

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Bird Species Potentially Involved in Introduction, Amplification, And Spread of West Nile Virus in A Mediterranean Wetland, The Camargue (Southern France)

Cited by 53 publications

References 45 publications

Prevalence of West Nile Virus Neutralizing Antibodies in Spain Is Related to the Behavior of Migratory Birds

Prevalence of West Nile Virus Neutralizing Antibodies in Spain Is Related to the Behavior of Migratory Birds

Wetlands and mosquitoes: a review

West Nile Virus

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