Seroconversion in Wild Birds and Local Circulation of West Nile Virus, Spain
Jordi Figuerola* , Ramon Soriguer*, Gema Rojo†, Concepción Gómez Tejedor†, and Miguel Angel Jimenez-Clavero‡
Author affiliations: *Consejo Superior de Investigaciones Científicas, Seville, Spain; †Laboratorio Central de Veterinaria, Algete, Madrid, Spain; ‡Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, Valdeolmos, Madrid, Spain;
Figure 2. Evolution of West Nile virus (WNV) antibody titers in common coots captured on >4 occasions in the same winter, Doñana, Spain. Open circles and dashed lines indicate birds captured during 2004–2005, and solid circles and continuous lines indicate birds captured during 2005–2006.
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