Source USDA/APHIS 

Summary Information on Current Situation  

(New information since May 26, 2011 report indicated in blue type)

Owners of horses known to have been exposed in this incident have been contacted by State Animal Health Officials.

Suspect and confirmed cases are reported to be under voluntary or state quarantine. Known exposed horses are reported to be under either voluntary or state quarantine. A total of 84 confirmed EHV-1 or EHM cases have been reported in 10 states (AZ, CA,

CO, ID, NM, NV, OK, OR, UT, WA) Of the 84 confirmed EHV/EHM cases, 58 cases are horses that were at the Ogden, Utah

event. There are 12 horses associated with this incident that are dead or have been euthanized. There are 2 newly identified premises with suspect or confirmed cases identified this

reporting period.

Detailed Current Information (as of close of business 6/1/2011) States not included in the tables below have reported there are no known exposed horses related

to this incident currently within their state.

Horse Information:

Horses categorized in EHV-1 or EHM suspect categories or as EHV-1 confirmed in previous reports may change categories based on test results or development of additional clinical signs.

Table 1. Cumulative Total of Confirmed Cases and Fatalities as of close of business 6/1/11