Volume 31, Number 4—April 2025
Dispatch
Dynamics of Bagaza, West Nile, and Usutu Viruses in Red-Legged Partridges, Portugal, 2018–2022
Figure 1

Figure 1. Diagnostic protocol and geographic location of sampling in study of dynamics of BAGV, WNV, and USUV in red-legged partridges, Portugal, 2018–2022. Diagnostic protocol was used to quantify the seroprevalence of WNV and WNV cross-reacting antibodies by ELISA and specific seroprevalence for BAGV, WNV, USUV, and undetermined orthoflaviviruses by virus neutralization test. Inset map shows location of Portugal in Europe (red shading) and location of red-legged partridge population sampled in this study (red location pin). BAGV, Bagaza virus; USUV, Usutu virus; WNV, West Nile virus.
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