Spread and impact of the Schmallenberg virus epidemic in France in 2012-2013

BMC Veterinary Research

Research Article

Alexandre Fediaevsky¹  Jean-Baptiste Perrin¹  Morgane Dominguez²  Pascal Hendrikx²  Eric Collin³  Didier Calavas⁴  Cyril Viarouge⁵  Emmanuel Bréard⁵  Stephan Zientara⁵  Corinne Sailleau⁵  Gina Zanella⁵  Kristel Gache⁶  Anne Touratier⁶ 

[1] Animal Health Unit, French General Directorate for Food (DGAL), Ministry of Agriculture, the Food Processing Industry and Forestry, Paris, France;Epidemiological Surveillance Unit, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Maisons-Alfort, France;French National Organisation for Veterinary Technical Groups (SNGTV), Paris, France;Lyon Laboratory, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Lyon, France;Maisons-Alfort Laboratory, French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Maisons-Alfort, France;National animal health farmers’ organisation (GDS France), Paris, France;

关键词: Schmallenberg virus;    France;    Impact;    Emerging disease;    Sheep;    Cattle;   

DOI  :  10.1186/s12917-014-0248-x

 received in 2014-06-17, accepted in 2014-10-02,  发布年份 2014

来源: Springer

【 摘 要 】

BackgroundThe Schmallenberg virus (SBV) emerged in Europe in 2011 and caused a widespread epidemic in ruminants.In France, SBV emergence was monitored through a national multi-stakeholder surveillance and investigation system. Based on the monitoring data collected from January 2012 to August 2013, we describe the spread of SBV in France during two seasons of dissemination (vector seasons 2011 and 2012) and we provide a large-scale assessment of the impact of this new disease in ruminants.ResultsSBV impact in infected herds was primarily due to the birth of stillborns or deformed foetuses and neonates. Congenital SBV morbidity level was on average moderate, although higher in sheep than in other ruminant species. On average, 8% of lambs, 3% of calves and 2% of kids born in SBV-infected herds showed typical congenital SBV deformities. In addition, in infected herds, farmers reported retrospectively a lower prolificacy during the vector season, suggesting a potential impact of acute SBV infection during mating and early stages of gestation.ConclusionsDue to the lack of available control and prevention measures, SBV spread quickly in the naive ruminant population. France continues to monitor for SBV, and updated information is made available online on a regular basis [http://www.plateforme-esa.fr/]. Outbreaks of congenital SBV are expected to occur sporadically from now on, but further epidemics may also occur if immunity at population level declines.

【 授权许可】

CC BY   
© Dominguez et al.; licensee BioMed Central Ltd. 2014