Equine Herpes Virus — United States
In January [2015], the United States Equestrian Federation (USEF) Board of Directors approved an addition to the rule book, which outlines equine vaccination requirements at licensed competitions.
Beginning [1 Dec 2015], all horses entering the grounds of a USEF-licensed competition must be accompanied by documentation of equine influenza virus and equine herpesvirus (EHV, also known as rhinopneumonitis) vaccinations within 6 months prior to entering the stables.
Due to several
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