United States Eventing Association

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