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Volume 20, Number 6—June 2014

Schmallenberg Virus Circulation in High Mountain Ecosystem, Spain

Xavier Fernández-Aguilar, Joan Pujols, Roser Velarde, Rosa Rosell, Jorge R. López-Olvera, Ignasi Marco, Marti Pumarola, Joaquim Segalés, Santiago Lavín, Oscar CabezónComments to Author , and Marco
Author affiliations: Centre de Recerca en Sanitat Animal, Barcelona, Spain (X. Fernández-Aguilar, J. Pujols, R. Rosell, J. Segalés, O. Cabezón); Universitat Autònoma de Barcelona, Barcelona (X. Fernández-Aguilar, R. Velarde, J.R. López-Olvera, I. Marco, M. Pumarola, J. Segalés, S. Lavín, O. Cabezón); Institut de Recerca i Tecnologia Agroalimentàries, Barcelona (J. Pujols); Generalitat de Catalunya Departament d’Agricultura, Barcelona (R. Rosell)

Main Article


Results of serologic and molecular analyses of SBV in sympatric wild and domestic ruminants, Eastern Pyrenees, Spain, 2010–2013*

Ruminants and SBV cases No. animals SBV serologic testing results
Ratio Ratio Ratio Ratio Prev, % (95% CI) Ratio Prev, % (95% CI)
Chamois‡ 260 0/45 0/89 0/21 5/81 6.2 (0.9–11.4)§ 3/24 12.5 (0–25.7)§
Roe deer¶ 20 0/6 0/9 4/5 80.0 (44.9–100)
Mouflon# 75 0/29 0/21 0/25
Chamois 7 0/7
Mouflon 1 0/1
Roe deer 1 0/1
Cattle 130 0/9 26/30 86.7 (74.5–98.8) 79/91 86.8 (79.9–93.8)
Sheep 60 0/30 14/30 46.7 (28.8–65.5)


22.2 (0–49.4)

SBV cases
Stillborn calves 4 0/1 2/3 1/4††
Mothers of calves 4 4/4

*SBV, Schmallenberg virus; ratio, no. positive/no. tested; prev, prevalence; RT-qPCR, real-time qualitative reverse transcription PCR; –, no data or not applicable.
†First evidence of SBV circulation in the study area was a seropositive chamois on September 3, 2012.
‡Two sampling periods, March–May and August–December. Only March–May in 2013.
§Differences not statistically significant.
¶Sampling period April–May.
#Sampling period April–June.
**Two sampling periods, October–November 2011 and November 2012–April 2013.
††Brain, thymus, and abomasum fluid samples positive; liver and kidney samples negative.

Main Article

Page created: May 19, 2014
Page updated: May 19, 2014
Page reviewed: May 19, 2014
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