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Disease Outbreak Alerts

Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.

Date Disease Location Status
February 24, 2016 Strangles Orange and Sumter Counties, FL Confirmed case(s): Quarantine
Two new cases have been reported and quarantined in Orange and Sumter Counties, Florida. Both received shipments from Bastrop Kill Pen in Louisiana on 2/16/2016. The first premise has one clinical horse while the second premise has two clinical horses. These are the first cases for Sumter and Orange Counties and the 7th and 8th cases for the Florida in 2016. Individuals considering horses from either Louisiana Kill Pen facility should understand the risks and be strongly cautioned. Florida has received 12 different positive strangles shipments from these facilities in the past 5 months.
February 22, 2016 Equine Herpes Viruses Sunland Park, NM Confirmed case(s): Quarantine
No new positive cases for the past 5 days. In total, 20 barns have been released from “exposed” to “non-exposed” status. Twenty six horses have been released from isolation based on negative swab and whole blood samples.
February 22, 2016 Equine Herpes Viruses El Paso , TX Confirmed case(s): Quarantine
El Paso EHV-1 Update: Neither EHV-1 test positive horse has developed neurologic signs to date. The remanning stable-mates continue daily monitoring with no new signs of infection.
February 22, 2016 Strangles Marion County, FL Confirmed case(s): Quarantine
On Feb 22, a new strangles positive premise was reported and confirmed with culture results in Marion County Florida. All horses on the property have been quarantined. This is the first reported case of strangles in Marion County and the sixth case for Florida in 2016.
February 19, 2016 Equine Herpes Viruses El Paso County, TX Confirmed case(s): Quarantine
The Texas Animal Health Commission (TAHC) confirmed Equine Herpes Virus (EHV-1) in two horses in El Paso County. Both horses showed signs of respiratory illness, fever and nasal discharge, when evaluated by a local veterinarian. The horses tested positive for EHV-1 but neither horse showed signs of the neurologic form of the disease. The stable has been placed under movement restriction as a precaution, and all horses are being monitored daily.
February 18, 2016 Equine Herpes Viruses Phoenix, AZ Quarantine Ended
(Phoenix) Today the Department of Agriculture lifted the quarantine at Turf Paradise Racetrack. The quarantine was implemented on January 28th, after three horses arrived from Dona Ana County, New Mexico where 74 horses have been diagnosed with Equine Herpes Virus. The quarantine was lifted following an investigation and determination that no other horses were affected by the virus.
February 18, 2016 Equine Herpes Viruses DuPage County, IL Confirmed case(s): Quarantine
Update 2/17/16: On 2/16, the Bureau of Animal Health and Welfare received notification that another horse at the affected premises tested positive for EHV-1 and has been euthanized. This new finding results in a minimum 21 day extension of the quarantine. Go to
February 18, 2016 Equine Herpes Viruses Athens, GA Confirmed case(s): Quarantine
Currently, the index case is the only one positive for EHV-1, EHM. Fourteen other premises with possibly exposed equine are still under quarantine with no clinical signs. Today, 2-17-16, the UGA Teaching Hospital, with my approval, released the 19 horses being held under the 14 day UGA quarantine. All 19 horses were asymptomatic for EHV clinical signs, had normal temperatures the entire quarantine period and tested negative by PCR for 3 consecutive days – day 15, 16 and 17. The horses will return to their individual homes and continue a 10 day self-quarantine. Additionally, there is a EHV-4 positive equine under a 28 day quarantine at the original premises.
February 17, 2016 Equine Herpes Viruses Sunland Park, NM Confirmed case(s): Quarantine
Today’s tally of EHV-1 confirmed positive horses is 74. Two of the horses confirmed today reside in Texas; they belong to a trainer who has horses at Sunland. The information on these two positive horses was submitted to the Texas Animal Health Commission for follow-up. To date, 17 barns have been released and 10 barns (including Frontera and Sunland) maintain their exposed status.
February 16, 2016 Equine Herpes Viruses Chemung County, NY Confirmed case(s): Quarantine
Feb 12, 2016: An aged Quarter Horse mare, from Chemung County, displaying only recurrent fever, inappetance and nasal discharge was confirmed positive for the non-neuropathogenic strain of Equine Herpesvirus-1 (EHV-1) on PCR. EHV-1 is a reportable disease in New York. The mare and all other horses on the farm are quarantined. Biosecurity measures and twice daily temperature monitoring are in place. NYS Dept of Ag & Markets will continue to monitor the situation.