Further circulation of West Nile and Usutu viruses in wild birds in Italy |
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| Institution: | 1. Dipartimento di Scienze Veterinarie, University of Turin, Italy;2. Istituto per le Piante da Legno e l’Ambiente, IPLA spa, Turin, Italy;3. OIE Reference Laboratory for West Nile Fever, Istituto Zooprofilattico Sperimentale dell’ Abruzzo e del Molise, Teramo, Italy;1. Infectious Disease Epidemiology Group, Weill Cornell Medicine-Qatar, Cornell University, Qatar Foundation - Education City, Doha, Qatar;2. World Health Organization Collaborating Centre for Disease Epidemiology Analytics on HIV/AIDS, Sexually Transmitted Infections, and Viral Hepatitis, Weill Cornell Medicine – Qatar, Cornell University, Qatar Foundation – Education City, Doha, Qatar;3. College of Medicine, Member of QU Health, Qatar University, Doha, Qatar;4. Biomedical Research Center, Qatar University, Doha, Qatar;5. Department of Biomedical Science, College of Health Sciences, Member of QU Health, Qatar University, Doha, Qatar;6. Department of Medicine, Indiana University School of Medicine, Indianapolis, USA;7. Department of Population Health Sciences, Weill Cornell Medicine, Cornell University, New York, USA;1. Faculty of Agriculture, University of Novi Sad, Trg Dositeja Obradovi?a 8, 21000, Novi Sad, Serbia;2. Scientific Veterinary Institute “Novi Sad”, Rumena?ki put 20, 21000, Novi Sad, Serbia;3. Institute of Public Health of Vojvodina, Futo?ka 121, 21000, Novi Sad, Serbia;4. Faculty of Medicine, University of Novi Sad, Hajduk Veljkova 3, 21000, Novi Sad, Serbia;5. Specialized Veterinary Institute “Pan?evo”, Novoseljanski put 33, 26000, Pan?evo, Serbia;6. Specialized Veterinary Institute “Sombor”, Staparski put 35, 25000, Sombor, Serbia;7. Specialized Veterinary Institute “Subotica”, Segedinski put 88, 24000, Subotica, Serbia;8. Specialized Veterinary Institute “Zrenjanin”, Temi?varski drum 26, 23000, Zrenjanin, Serbia;9. Ministry of Agriculture and Environmental Protection, Omladinskih brigada 1, 11080, Novi Beograd, Serbia;10. Agricultural Station Novi Sad, Temerinska 131, 21000, Novi Sad, Serbia;11. Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovi?a 3, 21000, Novi Sad, Serbia;1. Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Novel and Emerging Infectious Diseases, Südufer 10, 17493 Greifswald-Insel Riems, Germany;2. Berlin-Brandenburg, State Laboratory, Gerhard-Neumann-Str. 2, 15236 Frankfurt (Oder), Germany;3. Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Institute of Diagnostic Virology, Südufer 10, 17493 Greifswald-Insel Riems, Germany;4. Zoological Garden Berlin AG, Hardenbergplatz 8, 10787 Berlin, Germany;5. Bernhard-Nocht-Institute for Tropical Medicine, WHO Collaborating Centre for Arbovirus and Hemorrhagic Fever Reference and Research, Bernhard-Nocht-Strasse 74, 20359 Hamburg, Germany;6. Leibniz-Centre for Agricultural Landscape Research (ZALF), Institute of Land Use Systems, Eberswalder Straße 84, 15374 Müncheberg, Germany;7. German Centre for Infection Research (DZIF), Partner Site Hamburg-Luebeck-Borstel, Hamburg, Germany;1. Departamento de Biotecnología. Ctra. Coruña Km. 7.5, 28040 Madrid, Spain;2. Scientific Veterinary Institute “Novi Sad”, Novi Sad, Serbia |
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| Abstract: | Usutu virus (USUV) and West Nile virus (WNV) are emerging pathogens that can cause neurological disease in humans. From March 2012 to June 2013, a sero-survey on wild birds was carried out to investigate the circulation of both viruses in Northwest (NW) Italy. Samples belonging to 47 different bird species have been collected using a volunteer based network and a wildlife rehabilitation center. Four of 297 serum samples had neutralizing antibodies against USUV (P = 1.34%, IC 95% 0.36–3.4), while 10 of 233 samples tested positive for WNV (P = 4.29%, IC 95% 2.07–7.75). Neutralizing antibodies for WNV were significantly more prevalent (p < 0.001) in trans-Saharan migrants (P = 21%, IC 95% 9.55–37.3) than in resident and short-distance birds, but no migratory habit-related differences were found for USUV. Antibodies in resident bird species suggest that both viruses are circulating in NW Italy. |
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| Keywords: | USUV WNV Migratory birds Serology Italy |
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