Evidence of West Nile virus seropositivity in wild birds on the island of Cyprus |
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| Institution: | 1. Department of Animal Genetics, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences, Palackeho 1, Brno 61242, Czech Republic;2. CEITEC-VFU, University of Veterinary and Pharmaceutical Sciences, RG Animal Immunogenomics, Palackeho 1, Brno 61242, Czech Republic;3. Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic;4. Ceitec MU, Masaryk University, National Centre for Biomolecular research, Faculty of Science, Masaryk University, Kamenice 753/5, 625 00 Brno, Czech Republic;5. Department of Animal Morphology, Physiology and Genetics, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1/1665, 613 00 Brno, Czech Republic;6. CEITEC-MENDELU, Mendel University in Brno, Zemědělská 1/1665, 613 00 Brno, Czech Republic;7. Ecole Nationale Vétérinaire de Lyon, 1, Avenue Bourgelat, Marcy l''Etoile 69280, France |
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| Abstract: | West Nile Virus (WNV)1 is an emerging pathogen in Cyprus, with the first human case of infection reported in 2016, and another documented in 2018. A cluster of cases in humans was then reported in 2019. However, little is known regarding which avian species might bring WNV to Cyprus. Here, we investigated seroprevalence of WNV antibodies in migratory and resident birds, captured across Cyprus to assess to what extent human populations might be exposed to WNV. We used Enzyme-Linked Immunosorbent Assay (ELISA)2 to test for the presence of WNV antibodies in 836 avian blood samples of 44 species captured between 2015 and 2020. A seropositivity rate of 1.3 % was found. The majority of seropositive wild birds belonged to the migratory species Sylvia atricapilla, a common and widespread migrant, implying a high risk of WNV being introduced throughout Cyprus. |
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| Keywords: | WNV Migrating Birds Infectious diseases Zoonosis Arbovirus Blackcap Mosquito |
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