Equine Herpesvirus (EHV)


Anti-Inflammatories Could Decrease EHV-1 Infection Rate

July 12, 2012

A recent study suggests anti-inflammatory drugs could reduce the rate of EHV-1 infection in horses.... Read More


Colorado EHV-1 Quarantine Released

June 18, 2012

One case of EHV-1 was confirmed at a Douglas County farm in May. The affected horse was euthanized.... Read More


EHV-1 Quarantine Lifted on Lake County, Ind., Horses

June 12, 2012

A horse residing on the Lake County farm was euthanized and subsequently tested EHV-1 positive in May.... Read More


EHV-1 Confirmed in Northern Indiana Horse

May 22, 2012

A Lake County, Ind., boarding facility was quarantined after an equine resident tested positive for EHV-1.... Read More


Equine Herpesvirus Confirmed in Colorado Horse

May 14, 2012

The horse was euthanized after showing severe neurologic signs associated with the disease.... Read More


Suspected EHV-1 Reported in Tennessee

May 10, 2012

The horses might have been exposed to EHV-1 during the Bucksnort Trail Ride, held April 23-30.... Read More


EHV-1: Additional Non-Neurologic Case Identified in Calif.

April 10, 2012

A mare from Santa Barbara County was confirmed positive for the neurologic form of EHV-1 at necropsy April 6.... Read More


International Equine Disease Report, Fourth Quarter 2011

April 09, 2012

Reported included diseases contagious equine metritis, equine influenza, strangles, and equine herpesvirus.... Read More


Non-Neurologic EHV-1 Quarantine Released in Monterey Co.

April 05, 2012

The facility in Monterey County, Calif., has been under quarantine since mid-March.... Read More


New Case of Non-Neurologic EHV-1 Confirmed in California

April 02, 2012

The mare displayed mild neurologic signs, and is considered a secondary exposure from the HITS Thermal show.... Read More


Looking Back: 2011 EHV-1 Outbreak

March 31, 2012

More than 2,000 horses were exposed to EHV-1 during the 2011 outbreak, which originated in Ogden, Utah.... Read More


EHV-1 Reported in Washington State

March 30, 2012

The four EHV-1 positive horses are from two separate facilities, both of which are under voluntary quarantine.... Read More


Additional Calif. Horse Positive for Non-Neurologic EHV-1

March 26, 2012

The most recently confirmed horse displayed mild neurologic signs before testing positive for the disease.... Read More

Finally, Tanner says, “It’s important for everyone to remember that horses need to be members of a herd. Horses are always happier when other horses are around. They need to see a companion, whether it’s right beside them or across the aisle.”


UK Equine Showcase Presents Young Horse Research

March 22, 2012

The UK Equine Showcase held Jan. 20 focused on young horse heath, including infectious disease and deworming.... Read More


California Non-Neurologic EHV-1: Surveillance Continues

March 19, 2012

The CDFA recommends owners of potentially exposed horses continue monitoring animals for signs of disease.... Read More


California Confirms Two Cases of Non-Neurologic EHV-1

March 16, 2012

Published reports indicate that both horses recently attended the HITS Desert Horse Show in Thermal, Calif.... Read More


Equine Internal Medicine (AAEP 2011)

February 19, 2012

Dr. Steve Reed updates us on the internal medicine discussion at the 2011 AAEP convention.... Read More


AAEP Release Guidelines on Equine Venereal Disease Control

February 15, 2012

The guidelines focus on controlling the transmission of EAV, CEM, and EHV-1.... Read More


Calif., N.C. EHV-1 Quarantines Lifted

February 15, 2012

State animal health officials quaratined three premises in early to mid-January after confirming EHV-1.... Read More


Colorado State Researchers Begin New EHV-1 Study

January 31, 2012

The study will look at how EHV-1 compromises the equine immune system upon entering the airway and throat.... Read More


California EHV-1: One New Case Confirmed

January 26, 2012

The new Orange County case brings the California total to 16 positive horses. ... Read More


California EHV-1: One New Premises, Five New Cases Confirmed

January 25, 2012

The CDFA does not believe the two situations are related and is investigating both outbreaks.... Read More


California EHV-1: Euthanized Horse Necropsy Complete

January 24, 2012

Necropsy results indicate that it is highly unlikely one horse's recumbency was due to the EHV-1 infection.... Read More


EHV-1: What We Know and What We Learned (AAEP 2011)

January 20, 2012

The multistate outbreak in 2011 illustrated the need for infectious disease control in the equine community.... Read More


EHV-1 Confirmed in Ontario

January 20, 2012

One horse was euthanized after testing positive for the neurologic form of the virus in early January.... Read More