Equine Herpes Virus infections

Update; From the Oregon State Veterinarian; May 19,2011

> We now have two confirmed cases of EHM in Oregon. The second case
> occurred in a horse from Umatilla County that was not at the show in
> Ogden but travelled some hours in the same trailer with two horses
> that were returning from the show. As of latest report, the EHM
> positive horse only exhibited a high temperature and not any
> neurological signs.