TEXAS, USA — An outbreak of an equine virus that originated from an event in Central Texas has spread to several states, according to the Equine Disease Communication Center .

The Texas Department of Agriculture first warned in November about an outbreak of Equine Herpesvirus Type 1 (EHV-1) reported by veterinarians after the World Championship Barrel Racing (WPRA) Finals in the Waco area , Nov. 5-9. The outbreak led to rodeo changes at Cowtown Coliseum in Fort Worth Stockyards , among other changes.

The Equine Disease Communication Center reports cases of Equine Herpesvirus Myeloencephalopathy (EHM), a disease caused by EHV-1, have been reported in Texas, Oklahoma, Louisiana, South Dakota, Colorado, New Mexico, Arizona and Washington. Of those, 18 EHM cases have been confirmed in

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