International Equine Disease Report, First Quarter 2016

Diagnosed diseases include vesicular stomatitis, EHV, strangles, influenza, piroplasmosis, rabies, and more.

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The International Collating Center, Newmarket, United Kingdom, and other sources reported the following equine disease outbreaks for the first quarter of 2016*.

Three outbreak of vesicular stomatitis in Colorado in February brought to a conclusion the 2015 occurrence of the disease in the United States. Of the eight affected states—Arizona, Colorado, Nebraska, New Mexico, South Dakota, Texas, Utah, and Wyoming—the greatest number of outbreaks was recorded in Colorado. The 823 reported outbreaks comprised 329 that were confirmed positive for the New Jersey serotype of the virus and 494 that were diagnosed based on clinical signs of disease but not virologically verified.

Influenza was reported by the United Kingdom and the United States; in the latter country the disease was considered to be endemic. Outbreaks were confirmed in California and Florida.

Equine herpesvirus-1 and -4 (EHV-1 and EHV-4)-related diseases were recorded in Argentina, Australia, France, Germany, Ireland, Japan, South Africa, the United Kingdom, and the United States. Respiratory disease caused by EHV-1 was recorded in France (two outbreaks), Germany (12 cases involving 11 premises), South Africa (two cases also with intercurrent equine piroplasmosis), and the United Kingdom (one case)

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