In accordance with standard protocols, Barn 15 will remain under quarantine through at least Feb. 26, 21 days from Willful Desire's first symptoms.

Barn 15 was first placed into quarantine on Saturday, Feb. 3 at 3 p.m. when Cure Curls, trained by Danny Gargan, presented acute neurological symptoms and was subsequently euthanized. Cornell University returned a positive test result for EHV on Sunday afternoon. The quarantine procedures are overseen by Dr. Sarah Hinchliffe, the director of NYRA's veterinary department, in consultation with the NYSGC.

The 34 horses stabled in Barn 15, which is also home to stalls for Jim Ryerson along with Gargan and Rodriguez, are monitored throughout the day for fever and other signs of illness.

During the quarantine period, horses stabled in Barn 15 will not be permitted to enter races or train among the general horse population.

Afebrile/asymptomatic horses stabled in Barn 15 will continue to train in isolation from the general horse population throughout the quarantine.

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Mike Rogers, the president of the racing division for 1/ST Racing and Gaming, which owns Laurel, disclosed the ban on Belmont shippers during Tuesday's Maryland Racing Commission meeting. He specifically mentioned the General George S. and Barbara Fritchie S., both worth $200,000 and run at seven furlongs, as being affected. Two other $100,000 stakes are also on the same card.

“Unfortunately, we could be affected by the EHV-1 outbreak that took place in New York right now,' Rogers said. “As of right now, we're not accepting horses from New York. So it could affect our field size, because we do have a lot of nominations from New York.”

The highly contagious EHV-1 can spread during any time of the year, but the onset of winter typically brings a spike in cases nationwide.

Cute Curls (Tapiture), an unraced 3-year-old filly trained by Danny Gargan, was euthanized Feb. 3 after displaying acute neurological symptoms.

A New York Racing Association press release from Feb. 4 stated that 34 horses are stabled in Barn 15, which is also home to stalls for trainers Jim Ryerson and Gustavo Rodriguez.

The Equine Disease Communication Center (EDCC), which maintains a national database of updates and notices, reported Feb. 5 that a second filly out of Belmont's Barn 15 also spiked a fever and that “blood and a nasal swab are being submitted for PCR testing.”

The EDCC report continued: “An official NY State quarantine of all horses stabled in Barn 15 at Belmont Park Racetrack was put in place on 2/4/24. Horses stabled in Barn 15 are not permitted to train in the company of the general population of horses. Horses from Barn 15 must train after the close of regular training hours. Standard biosecurity measures are in place and enforced by NYRA Security personnel with veterinary supervision.”

Rogers said that “We'll take our guidance from our veterinarians before we allow [any] horses in from New York.”

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The projects, led by Gisela Soboll Hussey of Michigan State University and Bettina Wagner of Cornell University, aim to develop novel nucleic acid vaccines to protect horses from EHV-1/EHM and EHV-4.

Soboll Hussey's project is titled, “Use of nucleic acid vaccines to protect from EHV-1/EHM,” and it will last three years. Her objective is to develop a novel mRNA-based EHV vaccine that protects horses from EHV-1 myeloencephalopathy, a method that will likely cross-protect horses against other types of equine herpesviruses. Wagner's project, titled, “A novel DNA vaccine platform to control EHV-1 and EHV-4,” will span two years and aims to develop an effective DNA vaccine for EHV-1 to protect horses against infection and disease, working to prevent catastrophic EHV outbreaks in the future.

The EHV-1 and EHM viruses affect horses of every breed and discipline, and they continue to cause significant economic losses through closures of racetracks and sales barns, delays in training schedules, and severe disease and death of horses. Total funding for the projects of $1,885,436 was provided by special donor Dr. John Ballantyne and Fargo-Moorhead Area Foundation.

“The work of our research advisory committee is timely and essential,” Dell Hancock, chairman of the Grayson-Jockey Club Research Foundation, said. “We look forward to working with these institutions to develop these vaccines and protect the equine industry from the devastating effects of EHV-1 and EHM.”

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Current guidelines require that all horses entering a Kentucky racetrack or sanctioned training facility meet the additional requirements of having a 72-hour Certificate of Veterinary Inspection (CVI) and also meet the state's EHV-1 vaccination requirement of having been vaccinated a minimum of 14 days and no more than 120 days prior to entering the stable area. The 14-day minimum applies only to horses that have not been vaccinated during the preceding 120 days.

“There has been no change in the status at Gulfstream Park,” Rusty Ford, Kentucky State Veterinarian Office's Equine Operations Consultant, said. “One case of a neurologic horse has been confirmed positive for EHV1. The horse became recumbent and was euthanized [and] 174 horses remain housed in the affected barn and are under an official quarantine. Florida state veterinary officials have been conducting the epidemiologic investigation as well as managing and monitoring the quarantine. I have also received notification that a review of the records of horses moving out of the affected barn during the 2 weeks preceding the diagnosis did not identify any horse moving to Kentucky.

“At this point-in-time we understand there has been no testing of the 174 exposed horses and lacking additional symptomatic horses being reported there is currently no plan to test. My understanding is the horses in the quarantined barn may qualify for release following 21 days of no additional cases being reported or diagnosed. Though these 174 horses are under quarantine and have not since January 21 had direct contact with other horses on the grounds at Gulfstream, the lack of testing these exposed horses has raised our concern.

“Movement of the non-quarantined horses currently stabled, or horses that had been on the grounds of Gulfstream Park since January 20th, can continue to be conditionally allowed entry onto a KY track/training facility and be stabled on the grounds.”

Horses moving from Gulfstream (or having recently been on the grounds) can be allowed entry if the horse meets the published requirements for entry in addition to the modification listed below:
– Prior to a horse destined to a KY track/training facility departing, the horse's trainer or veterinarian is to contact the equine medical director, or his designated person, and provide required information on each horse that is seeking approval to move to the track.
– Approval of a designated horse to enter the Kentucky destination track by that track's equine medical director is based on the condition that the horse is to be temperature monitored and recorded twice daily for seven (7) days post arrival with the temperature logs posted on the stall. Any elevated fever or other sign or suspicion of illness shall immediately be reported to the equine medical director.
– The horse is to travel on a Health Certificate showing examination and issuance of the certificate performed the day of departure or during the 12 hours immediately preceding the departure. The certificate shall have the EHV vaccination recorded on it as well as the date the equine medical director approved the move and the estimated time of departure and KY arrival.

“These requirements are being adjusted in consultation with the track's equine medical directors and are subject to change without any advanced notice being provided should the disease event at Gulfstream Park change,” Ford said.

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Attendees can then take part in a live Q&A session with Georges Rimaud, the Aga Khan Studs' French manager. A veterinary section of the webinar will follow, covering EHV-1 Neurological Form, presented by Prof. Anne Courouce of Nantes University. Imparting first-hand experience, she will delineate lessons learned from the 2021 outbreak within the sports horse sector in Valencia, as well as how to manage, contain and move forward, plus how to guard against a potentially devastating outbreak will also be examined.

The annual ITBF webinar is a free live event and a link will be provided to those who register, which can be used regardless of time zone.

Click here, for more information and to register.

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Dr. Jeff Blea, the equine medical director for the California Horse Racing Board (CHRB), released the following statement Saturday:

“Three horses arrived at the Del Mar Race Track from Churchill Downs on Tuesday, Nov. 29. Due to the recent EHV-1 issue identified at Churchill Downs, the horses were placed in a quarantine barn with biosecurity measures implemented upon arrival, which continue to remain in place. Since their arrival, all three horses remain healthy and show no clinical signs of illness. Furthermore, bloodwork has been and continues to remain normal.

“The horses were tested for EHV-1 at UC Davis and all horses were negative for EHV-1 in blood. However, one horse, Wakanaka, was mildly positive on a nasal swab sample with a very low viral load. The viral load was too weak to differentiate between neuropathogenic and non-neuropathogenic EHV-1. This is only one test at a single time point, so we will continue to monitor the situation. Out an abundance of caution, Wakanaka will not be allowed to compete in the Dec. 4 Matriarch S. as planned.”

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Several tracks across the country have banned shippers from Churchill and the Louisville track itself is restricting movement out of the backside. Churchill is working with the Kentucky Department of Agriculture to ensure maximum effectiveness of its health and safety protocols.

The five additional horses testing positive for EHV-1 are asymptomatic. EHV-1 is a relatively common viral disease that can be managed and is treatable. Clinical symptoms include fever, hind limb ataxia, and dripping urine.

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Additionally, the track is continuing to require that all horses admitted to the stable area have a current (i.e. within 90 days) FDA-approved EHV-1 vaccine or booster. Vaccine information must be noted on the certificate for admittance.

Horsepeople are encouraged to contact the Lone Star racing office for further information.

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A 22-year-old Paint gelding with acute onset of neurological signs on Jan. 28 was confirmed positive for EHV-1, non-neuropathogenic strain, on Jan. 28. The horse was afebrile and isolated at his home premises, and was quarantined along with 300 additional horses on the property. He was euthanized due to poor prognosis.

Two additional horses at the property, a 19-year-old Arabian gelding that was transiently febrile the week prior and sent to a referral hospital on Jan. 24, and a 15-year-old Thoroughbred gelding that was transiently febrile on Jan. 24, were both tested on Jan. 24 and confirmed positive for EHV-1.

The Arabian gelding remains isolated and quarantined offsite at the referral hospital. The Thoroughbred gelding traveled to and from an equine event on Jan. 23 prior to clinical signs, and event management was notified.

CDFA was onsite at the premises to conduct a site assessment and assist in implementing enhanced biosecurity measures, including twice daily temperature monitoring. CDFA continues to closely monitor the situation.

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