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Bluetongue virus serotypes 1 and 4 in Sardinia during autumn 2012: new incursions or re-infection with old strains?

Lorusso, Alessio and Sghaier, Sufien and Carvelli, Andrea and Di Gennaro, Annapia and Leone, Alessandra and Marini, Valeria and Pelini, Sandro and Marcacci, Maurilia and Rocchigiani, Angela Maria and Puggioni , Giantonella and Savini, Giovanni (2013) Bluetongue virus serotypes 1 and 4 in Sardinia during autumn 2012: new incursions or re-infection with old strains? Infection, Genetics and Evolution, Vol. 19 , p. 81-87. ISSN 1567-1348. Article.

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DOI: 10.1016/j.meegid.2013.06.028

Abstract

Since 2000 several bluetongue virus (BTV) incursions have occurred in Sardinia (Italy) involving serotypes 1, 2, 4, 8 and 16. In October 2012, new BT outbreaks caused by BTV-1 and BTV-4 were reported. Nearly 500 flocks were infected and 9238 sheep died because of the infection. When sequenced, Seg-10 of both strains shared 99% similarity at nucleotide level with BTV strains that have circulated in the Mediterranean basin in the last few years. Similarly, Seg-5 sequences of BTV-1 and BTV-4 newly isolated Sardinian strains are identical and cluster together with recent BTV-1 circulating in the Mediterranean Basin and the BTV-4 strains isolated in Tunisia in 2007 and 2009. These BTV-4 strains differ from the ones that circulated in Europe from 2003 to 2005 and appear to be reassortant strains.

Item Type:Article
ID Code:9234
Status:Published
Refereed:Yes
Uncontrolled Keywords:Bluetongue virus serotype 1, bluetongue virus serotype 4, phylogeny, Sardinia
Subjects:Area 07 - Scienze agrarie e veterinarie > AGR/19 Zootecnica speciale
Divisions:002 Altri enti e centri di ricerca del Nord Sardegna > Istituto zooprofilattico sperimentale della Sardegna, Sassari
001 Università di Sassari > 01-a Nuovi Dipartimenti dal 2012 > Medicina Veterinaria
Publisher:Elsevier
ISSN:1567-1348
Deposited On:02 Oct 2013 09:30

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