Human case of autochthonous West Nile virus lineage 2 infection in Italy, September 2011

P Bagnarelli; K Marinelli; D Trotta; A Monachetti; M Tavio; R Del Gobbo; M R Capobianchi; S Menzo; L Nicoletti; F Magurano; P E Varaldo

doi:10.2807/ese.16.43.20002-en

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Human case of autochthonous West Nile virus lineage 2 infection in Italy, September 2011

P Bagnarelli¹, K Marinelli¹, D Trotta¹, A Monachetti¹, M Tavio², R Del Gobbo², M R Capobianchi³, S Menzo³, L Nicoletti⁴, F Magurano⁴, P E Varaldo¹
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Affiliations: ¹ Università Politecnica Marche, Virology Unit, Department of Biomedical Sciences and Public Health, Ancona, Italy ² Azienda Ospedaliero-Universitaria Ospedali Riuniti di Ancona, Infectious Disease Unit, Department of Gastroenterology and Transplantation, Ancona, Italy ³ National Institute of Infectious Diseases L.Spallanzani, Rome, Italy ⁴ Istituto Superiore di Sanitá, Rome, Italy

Correspondence:
P Bagnarelli
p.bagnarelli univpm.it
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Citation style for this article: Bagnarelli P, Marinelli K, Trotta D, Monachetti A, Tavio M, Del Gobbo R, Capobianchi M R, Menzo S, Nicoletti L, Magurano F, Varaldo P E. Human case of autochthonous West Nile virus lineage 2 infection in Italy, September 2011. Euro Surveill. 2011;16(43):pii=20002. https://doi.org/10.2807/ese.16.43.20002-en Received: 17 Oct 2011

Abstract

On 10 September 2011, a patient in his 50s was admitted to hospital in Ancona, Italy, after six days of high fever and no response to antibiotics. West Nile virus (WNV) infection was suspected after tests to determine the aetiology of the fever were inconclusive. On 20 September, WNV-specific IgM and IgG antibodies were detected in the patient's serum. Genomic sequencing of the viral isolate showed that the virus belonged to WNV lineage 2. .