USDA Releases Second EHV-1 Situation Report

May 31, 2011

USDA Releases Second EHV-1 Situation Report

By American Horse Council

USDA has released the second national EHV-1 situation report. A summary of the updated information is as follows:

• A total of 75 confirmed EHV-1 or EHM cases have been reported in 9 states (AZ, CA, CO, ID, NM, NV, OR, UT, WA)
• Of the 75 confirmed EHV/EHM cases, 58 cases are horses that were at the Ogden, Utah event.
• There are 11 horses associated with this incident that are dead or have been euthanized.
• There are 15 newly identified premises with suspect or confirmed cases identified this reporting period.

You may view the complete USDA EHV-1 Situation Report that provides detailed information on the number of exposed, positive, dead, and euthanized horses on a state by state level here. The AHC anticipates USDA releasing another national situation report at the end of next week. Please see the below links for additional information on EHV-1 transmission risks and disease mitigation strategies.

Additional Resources

USDA-APHIS website:

EHV information sheets, color brochures, historical information, a review of disease mitigation strategies, and an EHV-1 guidance document (which will be available later today) "Recommendations for Horses Exposed to EHV-1 or EHM" can be found on the USDA-APHIS website at the following link: http://www.aphis.usda.gov/vs/nahss/equine/ehv/

AAEP website:
General EHV resources through the American Association of Equine Practitioners:
http://www.aaep.org/EHV_resourcesowner.htm.

Neurologic Disease Guidelines:
http://www.aaep.org/pdfs/control_guidelines/Neurologic%20Disease%20Guidelines.pdf

Equine Herpes Virus:
http://www.aaep.org/images/files/EquineHerpesvirusGuidelines051711.pdf

Biosecurity Guidelines:
http://www.aaep.org/pdfs/control_guidelines/Biosecurity_instructions%201.pdf

Biosecurity Instructions for Caretakers - English & Spanish:
http://www.aaep.org/pdfs/control_guidelines/Instructions%20to%20grooms.pdf

National Cutting Horse Association (NCHA) website:
For history of the current outbreak and additional outreach materials:
http://www.nchacutting.com/

ACVIM Consensus Statement on EHV-1:
http://onlinelibrary.wiley.com/doi/10.1111/j.1939-1676.2009.0304.x/pdf

Horse Health

Jan 22, 2025 Instructors

Through The Lens: The 2025 USEA ECP Symposium at Galway Downs

The USEA Eventing Coaches Program (ECP) held their annual Symposium at Galway Downs in Temecula, California, from Jan. 14-16.

Jan 22, 2025 Sponsor

Research In Action: Grayson-Jockey Club Findings Have Changed Our Reaction To EHV

Possibly the only thing more unsettling than being a horse owner experiencing an infectious disease outbreak on their farm is to be a veterinarian who experiences one.

Jan 21, 2025 Young Event Horse

First Class of YEH New Judge Education Program Graduates Added to the YEH Judges List

The United States Eventing Association, Inc. (USEA) is proud to announce the first class of USEA Young Event Horse (YEH) Judges have completed their certifications through the YEH New Judge Education Program, which was led by YEH faculty member, Marilyn Payne.

Jan 21, 2025 News

Now On Course: Patience Pays Off for Nazila Hejazi & Her 20-Year-Old Missouri Fox Trotter

Nazila Hejazi and her 20-year-old Missouri Fox Trotter mare, Tessa, may have made for an unconventional pair at the USEA Area VI Championships, held in October at Galway Downs (Temecula, California) but they didn’t let that hold them back. It’s uncommon to see a horse in their twenties still competing in eventing, and even more rare for a gaited horse to compete in a jumping sport.