Equine Herpesvirus (EHV)


EHV-1 California Outbreak Increases to 11 Confirmed Cases

January 20, 2012

Two more cases of equine herpesvirus-1 (EHV-1) have been confirmed today, with the two horses displaying... Read More


California EHV-1: Case Total Rises to Nine

January 19, 2012

An additional horse was confirmed EHV-1-positive and another was euthanized in connection with the outbreak.... Read More


University of Calgary Seeking Participation in EHV-1 Study

January 18, 2012

The goal is to identify factors associated with the outbreak in order to prevent and control outbreaks.... Read More


Three Additional EHV-1 Cases Confirmed in California

January 18, 2012

Only one of the eight horses has displayed neurologic signs consistent with EHV-1 thus far.... Read More


EHV-1 Inactivated Vaccine Efficacy Tested (AAEP 2011)

January 16, 2012

Past studies showed that vaccines were only sometimes effective in preventing development of viremia.... Read More


California EHV-1 Case Total Rises to Five

January 16, 2012

All affected horses are quarantined on their home property and are receiving veterinary care.... Read More


Biosecurity Can Help Prevent Spread of EHV-1 Infections

January 14, 2012

It's never too late to implement biosecurity protocol to help protect horses from potentially fatal diseases.... Read More


California Confirms Three Cases of Neurologic EHV-1

January 13, 2012

The horses are currently quarantined on their home premises and are receiving veterinary treatment. ... Read More


NC State Lifts Self-Imposed Restrictions Connected to EHV-1

January 12, 2012

The admission and discharge restrictions were put in place after an EHV-1-positive mare was hospitalized.... Read More


Neurologic EHV-1 Confirmed in North Carolina Horse

January 06, 2012

The mare was taken to the College of Veterinary Medicine at North Carolina State University upon becoming ill.... Read More


Advances in Equine Neurological Disease Symposium a Success

December 16, 2011

Featured topics included equine protozoal myeloencephalitis, wobbler syndrome, and neurologic herpesvirus.... Read More


Outbreak Alert Helps in Fighting Equine Disease

December 09, 2011

Since June 2011, the program has provided notification of more than 500 equine disease reports to subscribers.... Read More


New PCR Assay Reduces EHV-1 Testing Costs

November 17, 2011

The University of Kentucky has implemented a new real-time PCR assay for diagnosing EHV-1.... Read More


Appaloosa World Show: EHV-1 Test Negative

October 26, 2011

Samples taken from a horse exhibiting neurologic signs at the World Championship show were negative for EHV-1.... Read More


California EHV-1 Quarantines Released

October 05, 2011

The quarantines on two California farms after resident horses tested positive for EHV-1 have been lifted.... Read More


EHV-1 Quarantine Lifted at University of Tennessee

September 30, 2011

The EHV-1 quarantine at the UTVMC was lifted today (Sept. 30).... Read More


Tennessee EHV-1: No New Cases Reported

September 27, 2011

No new horses have been confirmed EHV-1 positive since Sept. 21 in connection with the Tennessee cases.... Read More


EHV-1: California and Tennessee Case Counts Holding Steady

September 23, 2011

No new EHV-1 cases have been confirmed in California or Tennessee, statements from the CDFA and the UTVMC say.... Read More


Additional Tennessee Horses Confirmed Positive for EHV-1

September 22, 2011

Five additional horses at the index case's home premises have tested positive for EHV-1 and are being treated.... Read More


UT EHV-1: No New Cases; Informational Forum Scheduled

September 20, 2011

No new EHV-1 cases have been confirmed at UT. The informational forum will take place Sept. 21 at 7:00 p.m.... Read More


UT Veterinary Medical Center Quarantined for EHV-1

September 19, 2011

An EHV-1 positive horse was admitted last week. No new cases have emerged at the medical center to date.... Read More


Nine California Horses Confirmed EHV-1 Positive

September 16, 2011

Seven horses from one farm and two residing on another premises have tested positive for neurologic EHV-1.... Read More


Eight California Horses Showing Signs of EHV-1

September 14, 2011

Eight additional horses in Tuolumne County are displaying clinical signs consistent of EHV-1.... Read More


California Horse Confirmed EHV-1 Positive

September 13, 2011

A new case of neurologic EHV-1 was confirmed in California on September 12.... Read More


Post-Outbreak Horse Hauling Concerns

September 01, 2011

My horse will be hauled to a state affected by the recent equine EHV-1 outbreak. Should I be concerned?... Read More