Prevalence of West Nile virus neutralizing antibodies in colonial aquatic birds in southern Spain

被引:52
作者
Figuerola, Jordi
Jimenez-Clavero, Miguel Angel
Rojo, Gema
Gomez-Tejedor, Concepcion
Soriguer, Ramon
机构
[1] CSIC, Dept Wetland Ecol, Seville 41013, Spain
[2] Lab Cent Vet, Madrid 28110, Spain
关键词
D O I
10.1080/03079450701332329
中图分类号
S85 [动物医学(兽医学)];
学科分类号
0906 ;
摘要
The rapid expansion of West Nile virus (WNV) throughout the New World has raised interest in understanding the population dynamics and patterns of dispersal of emerging infectious diseases by wildlife. WNV affects humans, although its main reservoirs are various species of birds. Here we analyse the prevalence of WNV-neutralizing antibodies in nearly full-grown chicks belonging to seven different species of colonial waterbirds at three localities in southern Spain. Chicks with neutralizing antibodies against WNV were detected in three species and at all three localities. However, the low antibody titres suggest the presence of antibodies is probably due to maternal transfer of antibody, presumably from exposure of the adult birds to WNV or a similar flavivirus at some stage of their lives. The analyses of the movements of tagged birds confirmed that all species with antibody visit regions that have had reports of WNV infection over the past decade.
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收藏
页码:209 / 212
页数:4
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