Evidence of enzootic circulation of West Nile virus (Nea Santa-Greece-2010, lineage 2), Greece, May to July 2011

A Chaskopoulou; C I Dovas; S C Chaintoutis; I Bouzalas; G Ara; M Papanastassopoulou

doi:10.2807/ese.16.31.19933-en

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Evidence of enzootic circulation of West Nile virus (Nea Santa-Greece-2010, lineage 2), Greece, May to July 2011
A Chaskopoulou¹ , C I Dovas² , S C Chaintoutis² , I Bouzalas² , G Ara³ , M Papanastassopoulou²
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Affiliations: ¹ United States Department of Agriculture-Agricultural Research Service (USDA-ARS), European Biological Control Laboratory, Thessaloniki, Greece ² Aristotle University of Thessaloniki, Faculty of Veterinary Medicine, Laboratory of Microbiology and Infectious Diseases, Thessaloniki, Greece ³ American Farm School, Thessaloniki, Greece

Correspondence:
A Chaskopoulou
andahask ufl.edu
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Citation style for this article: Chaskopoulou A, Dovas C I, Chaintoutis S C, Bouzalas I, Ara G, Papanastassopoulou M. Evidence of enzootic circulation of West Nile virus (Nea Santa-Greece-2010, lineage 2), Greece, May to July 2011. Euro Surveill. 2011;16(31):pii=19933. https://doi.org/10.2807/ese.16.31.19933-en Received: 28 Jul 2011

Abstract

A West Nile virus (WNV) surveillance network including sentinel chickens was deployed in Thessaloniki county, Greece, from May to July 2011. For the first time in summer 2011, a chicken WNV isolate from 6 July was molecularly identified. The partial NS3 sequence was identical to that of the Nea Santa-Greece-2010 WNV lineage 2, detected in central Macedonia in 2010. This suggests that WNV is actively circulating in central Macedonia and that it may have overwintered in northern Greece.