International Equine Disease Report, Third Quarter 2015

Confirmed diseases include vesicular stomatitis, herpesvirus, influenza, Getah virus, and strangles, among others.

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The International Collating Center, in Newmarket, U.K., and other sources reported the following disease outbreaks for the third quarter of 2015.

Vesicular stomatitis (New Jersey serotype) was reported in the United States, with 192 virus-confirmed outbreaks in eight states: Arizona, Colorado, Nebraska, New Mexico, South Dakota, Texas, Utah, and Wyoming. Disease was additionally identified on 335 premises based on clinical signs.

Influenza was reported by France, the United Kingdom, and the United States. Two cases were involved in a single outbreak in France. The United Kingdom confirmed three outbreaks: single cases on two premises and several affected animals on a third premises. All cases involved unvaccinated horses or ponies. Influenza was reported as endemic in the United States with outbreaks confirmed in five states.

Equine herpesvirus-1 and -4 (EHV-1 and -4) related diseases were recorded in Argentina, France, Germany, Ireland, the United Kingdom, and the United States. EHV-1 associated respiratory disease was diagnosed in Germany (isolated cases), Ireland (single case), the United Kingdom (single case co-infected with strangles), and the United States (several states). EHV-1 abortions were reported by Argentina, France, the United Kingdom, and the United States. Two outbreaks were identified in France involving Thoroughbreds and French Trotters, and single cases were confirmed in Argentina, the United Kingdom, and the United States. One case of EHV-1 myeloencephalopathy (neurologic disease) was recorded in France. Outbreaks of EHV-4 respiratory disease were confirmed in France (11 outbreaks) and Germany (three outbreaks)

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