Equine Herpesvirus (EHV)


Two Barns at Beulah Park Remain Under Quarantine for EHV Outbreak

January 05, 2011

Two barns are under quarantine at Beulah Park, located near Columbus, Ohio, as state veterinary officials continue to investigate a possible equine herpesvirus (EHV) outbreak. Ohio State Racing Commission (OSRC) executive director Tom Fries Jr. said ... Read More


Beulah Park Racetrack Quarantined with Possible EHV Outbreak

December 31, 2010

A possible equine herpesvirus (EHV) outbreak has prompted quarantine measures to be implemented at Beulah Park in Ohio.
... Read More


Second Horse Tests Positive for EHV After Racetrack Quarantine

December 15, 2010

A second horse from New York-based racehorse trainer Chris Englehart's string has tested positive for equine herpesvirus (EHV) in the wake of a 4-year-old Thoroughbred filly contracting and subsequently being euthanized as a result of the disease.

... Read More


Equine Herpesvirus Prompts Finger Lakes Racetrack Quarantine

November 24, 2010

According to a press release from the New York State Department of Agriculture and Markets, department animal health officials are investigating a case of equine herpesvirus (EHV) that prompted a quarantine of one barn at Finger Lakes Racetrack.... Read More


Respiration (in Horses) Through the Ages

September 01, 2010

Experts advise: When it comes to respiratory illness in horses, save the gambling for Vegas. Be aware of the major respiratory diseases that horses are susceptible to (commonly, heaves, Rhodococcus equi, and equine herpesvirus) and use preventive ... Read More


Equine Herpesvirus Type 1 in Tasmania

August 06, 2010

A recent outbreak of equine herpesvirus type 1 (EHV-1), a highly infectious viral disease of horses, has been confirmed on a breeding farm in northern Tasmania. One mare died and several others aborted their foals. According to Read More


Equine Diseases Get a Closer Look

June 24, 2010

Federal officials are calling for more education, research, and cooperation when it comes to emerging equine diseases. During the June 22 American Horse Council National Issues Forum, a panel discussion on "Emerging Diseases: A ... Read More


EVA and EHV-1 Research a Focus at the Gluck Equine Research Center

June 23, 2010

Equine arteritis virus (EVA) and equine herpesvirus-1 (EHV-1) are the two main topics of research for Udeni Balasuriya, BVSc, MS, PhD, associate professor of virology at the Gluck Equine Research Center. Balasuriya, who joined the Gluck Center in 200... Read More


Vaccination Basics For Horses

June 01, 2010

Vaccines are "cheap insurance" to protect your horses from more costly--and potentially deadly--diseases.... Read More


Boarding Barn Health

June 01, 2010

Moving your horse into a boarding barn is a lot like sending your child to school for the first time. Just as you would in choosing a school for your kids, you want to do your research, asking all pertinent questions.... Read More


Gammaherpesviruses: Bystanders or the Real Culprits?

April 23, 2010

Gammaherpesviruses (equid herpesvirus 2 and EHV-5) occur throughout the world, which makes it difficult to determine their pathogenic importance. The problem is deciding whether they are bystanders or are truly causing disease.

... Read More


EHV: New Jersey Authorities Probe Possible Outbreak

April 07, 2010

Horses at six New Jersey farms remain under quarantine as animal health authorities investigate a possible outbreak of the neurologic form of the Equine equine Herpes herpesvirus.

The Equine Herpes virusherpesvirus can cause respirat... Read More



March 17, 2010

Coverage of equine neurology topics at the 2010 American Association for Equine Practitioners Convention.... Read More


Penn National Horse Negative for Herpesvirus

March 09, 2010

A ban that went into effect March 9 banning Penn National-stabled horses from entering Maryland Jockey Club facilities has been lifted.

The ban was ordered when a horse stabled at Penn National Race Course was euthanized after displa... Read More


Neurologic Diseases

March 08, 2010

Diagnosis and treatment recommendations for neurologic diseases, as discussed at the 2009 AAEP Convention. ... Read More


Equine Multinodular Pulmonary Fibrosis

February 12, 2010

Pneumonia (lung inflammation) in horses can be quite serious, particularly the recently described form termed equine multinodular pulmonary fibrosis. ... Read More


New Equine Herpesvirus Treatment Option Studied, AAEP 2009

January 27, 2010

The typical veterinarian's arsenal against equine herpesvirus includes vaccination to prevent the disease and supportive care/antiviral medication when the disease strikes. Small interfering RNA, or siRNA for short, is a Nobel Prize-winning technolog... Read More


Calder Lifts EHV-1 Quarantine; Horses Can Ship

December 21, 2009

Calder Casino & Race Course lifted a virus-related quarantine Dec. 21, allowing 60 horses to resume normal training and racing.

The quarantine was enacted at the Miami Gardens, Fla., track in late November, after one ho... Read More


Calder Update: Quarantine Lifted on One Barn

December 07, 2009

Results of testing for equine herpesvirus-1 (EHV-1) on a horse in one of the quarantined barns at Calder Race Course came back negative the morning of Dec. 5. This allowed for the quarantine on that barn to be lifted and, thus, the activity of ... Read More


EHV-1: Florida Track Quarantines Fourth Barn

December 04, 2009

Calder Race Course Dec. 3 placed a fourth barn under quarantine after a track veterinarian determined that a horse in the barn was showing neurologic signs of illness consistent with equine herpesvirus-1 (EHV-1).... Read More


Transport Stress and EHV-1

December 03, 2009

Dormant equine herpesvirus-1 (EHV-1) resides in the horse's nervous system, where it can reactivate when the horse's immune system is compromised by stress or illness. Results of a study on transport stress and EHV-1 reactivation. ... Read More


Calder Race Course Reports EHV-1, Closed for Shippers

December 01, 2009

Officials at Calder Race Course Nov. 30 said a horse previously in its stable area has tested positive for equine herpesvirus (EHV-1) and that the track would not permit horses to ship into the facility for stabling or for a race for 14... Read More


New EHV-1 Testing Protocol Indicates Infectious Risk

November 30, 2009

Not only can DNA-based tests indicate whether or not a horse is infected with equine herpesvirus-1 (EHV-1), these tests can also measure the amount of virus in the horse's nasal secretions.

"Virus isolation has been the... Read More


New Treatment for Equine Herpesvirus Tested in Horses

November 21, 2009

A novel experimental treatment for equine herpesvirus type-1 (EHV-1) called RNA interference shows promise, but more research is needed before this technology becomes commercially available.

EHV-1 evades the horse's immune... Read More


Researchers Track EHV-5 Incidence, Effects in Europe

November 06, 2009

Equine herpesvirus-5, which had previously been reported in horses in the United States, is also present in the European horse population, researchers recently reported. They found the virus in horses without any signs of disease (known as... Read More