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Equine disease surveillance: quarterly update

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Equine disease surveillance headlines

  • Round up of equine news

  • Summary of UK disease surveillance for October to December 2018

  • New surveillance initiative for equine strangles

News round up

Equine influenza

Between early December 2018 and 4 February 2019 (when this report was finalised), the UK, Ireland, France, Belgium and Germany reported the emergence of Florida clade 1 (FC1) equine influenza viruses causing disease outbreaks.

Florida clade 2 (FC2) viruses are more commonly isolated in Europe and this is the first time that a FC1 virus has been responsible for multiple outbreaks since 2009. In this situation it is not the absence of FC1 viruses in vaccines that is the issue, but rather the potential mismatch between vaccine FC1 strains and those now seemingly circulating. Cases among vaccinated horses have been confirmed in all affected countries.

About this report

This report is produced by Defra, the Animal Health Trust (AHT) and the British Equine Veterinary Association. It is a shortened version of the full report for July to September 2018, which also includes a list of all contributing laboratories. The full report and all previous reports can be accessed on the AHT’s website at www.aht.org.uk/cms-display/DEFRA_AHT_BEVA_equine_reports.html

This report collates equine disease data arising from multiple diagnostic laboratories and veterinary practices throughout the UK. The data presented are taken from various sources and must be interpreted with caution, as there is likely to be some bias in the way that samples are submitted for laboratory testing. For example, they are influenced by factors such as owner attitude or financial constraints, or are submitted for routine screening as well as clinical investigation purposes. Consequently, these data do not necessarily reflect true disease frequency in the UK equine population.

Up-to-date information on the UK situation is available at www.equiflunet.org.uk. A summary of the cases reported elsewhere in Europe by 4 February 2019 (when this report was finalised) …

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