From a Maryland Jockey Club release
Blood samples on the Bowie Training Center-based horse that was humanely euthanized by the Maryland Department of Agriculture Saturday morning were negative for equine herpesvirus (EHV-1).
The Hold Order on Barn 16 at Bowie has been lifted, meaning the 27 horses stabled in the barn will be allowed to train beginning Wednesday morning, Sept. 25.
Equine herpesvirus-1 (also known as “rhino”), which causes upper respiratory infection, can also cause neurological disease. There is currently no known method to reliably prevent the neurologic form of EHV-1 infection. It is recommended to maintain appropriate vaccination procedures in an attempt to reduce the incidence of the respiratory form of EHV-1 infection, which may help prevent the neurologic form. Transmission of the virus can occur via coughing or sneezing over a distance of up to 35 feet as well as by direct contact with infected horses, feed and equipment.