Reconstruction of the Schmallenberg virus epidemic in Belgium: Complementary use of disease surveillance approaches

Veterinary Microbiology
A PoskinN De Regge

Abstract

Schmallenberg virus (SBV) emerged across Europe in 2011 and Belgium was among the first countries affected. In this study, published findings are combined with new data from veterinary surveillance networks and the Belgian reference laboratory for SBV at the Veterinary and Agrochemical Research centre (CODA-CERVA) to reconstruct the epidemic in Belgium. First retrospective cases of SBV were reported by veterinarians that observed decreased milk yield and fever in dairy cattle in May 2011. The number of SBV suspicions subsequently increased in adult cattle in August 2011. That month, first SBV positive pools of Culicoides were detected and extensive virus circulation occurred in Belgium during late summer and autumn 2011. As a consequence, most pregnant ruminants were infected and their fetuses exposed to the virus. This resulted in an outbreak of abortions, still-births and malformed new-borns observed between January and April 2012. The number of cases drastically diminished in 2012-2013, although multiple lines of evidence obtained from cross-sectional serological surveys, analyses on aborted foetuses, sentinel herd surveillance and surveillance of SBV in vectors prove that SBV was still circulating in Belgium at that time. V...Continue Reading

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Citations

Oct 30, 2016·The Veterinary Record·Nick De Regge
Oct 30, 2016·The Veterinary Record·Jessica Eleanor StokesJennifer Sarah Duncan
Apr 6, 2017·BMC Veterinary Research·A MalmstenJ-F Valarcher
Oct 10, 2020·Transboundary and Emerging Diseases·Débora Jiménez-MartínIgnacio García-Bocanegra
Jul 3, 2017·The Veterinary Journal·Anastasios StavrouRachael Tarlinton

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