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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.


December 02, 2016
Equine Herpes Viruses
Los Angeles County, CA
Outbreak Update
December 2, 2016-Los Angeles County EHM outbreak update: The Los Angeles Equestrian Center EHM outbreak has had a total of thirteen (13) EHV-1 confirmed cases and all of those caused by the non-neuropathogenic strain EHV-1 virus. There has been no new febrile horses since November 23rd and only one positive horse remains in isolation. Enhanced biosecurity measures continue in all barns under quarantine and all horses’ temperatures continue to be monitored twice daily
December 02, 2016
West Nile Virus
McCurtain County, OK
Confirmed Case(s): No Quarantine
The 15th reported WNV positive horse has been confirmed for 2016 in Oklahoma. The yearling QH filly located in McCurtain County was showing severe neurologic signs and was euthanized. Vaccination status is unknown. For more information visit: http://www.ag.ok.gov
December 01, 2016
Equine Herpes Viruses
Los Angeles County, CA
Outbreak Update
As of December 1st, 2016 one (1) horse remains in quarantined isolation –this horse remains positive for EHV-1 on PCR nasal swab diagnostic testing on November 30th. No febrile horses were identified today at LAEC in the quarantined barns. Enhanced biosecurity measures are in place in all barns under quarantine and all horses’ temperatures continue to be monitored twice daily. CDFA staff continue to provide oversight in working closely with management, trainers and owners at LAEC. The updates on this EHV-1 incident will continue on a 48 hour basis. The quarantine release date will be evaluated based on additional test results from the positive horse in isolation at LAEC.
November 29, 2016
Equine Herpes Viruses
Los Angeles County, CA
Outbreak Update
A febrile horse from one of the quarantined barns in the Los Angeles Equestrian Center was moved to isolation last Wednesday evening, November 23, 2016. Initial nasal swab was negative on diagnostic testing at CAHFS laboratory and the horse was retested on November 26th and found to be PCR positive for EHV-1 on nasal swab. Seven (7) horses in isolation were moved to home stalls today based on repeated negative EHV-1 testing. Quarantined isolation is now home to two (2) horses and one of the two has qualified with negative EHV-1 testing to be moved to home stall tomorrow. Enhanced biosecurity measures are in place in all barns under quarantine and all horses’ temperatures continue to be monitored twice daily. CDFA staff continue to provide oversight in working closely with management, trainers and owners at LAEC. The updates on this EHV-1 incident will continue on a 48 hour basis. The quarantine release date will be evaluated based on additional test results from the recent positive horse in isolation at LAEC.
November 29, 2016
Strangles
Levy and Citrus Counties, FL
Confirmed case(s): Official Quarantine
On November 28 and 29, one premise in Levy and one premises in Citrus County, Florida were reported to the state veterinarians office and placed under quarantine for strangles. Clinical signs began November 17 and 24 respectfully. No animals have left the facility since clinical signs began. This is the second case in Levy County, the first case in Citrus County and the 23rd case for Florida in 2016.
November 28, 2016
Equine Herpes Viruses
Los Angeles County, CA
Outbreak Update
On November 27, 2016 a febrile horse from one of the quarantined barns in the LAEC was moved to isolation Wednesday evening. Nasal swab was negative on diagnostic testing at CAHFS laboratory—this horse was retested today. Quarantined isolation is now home to nine (9) horses and all nine (9) are confirmed PCR test negative on nasal swab. Enhanced biosecurity measures are in place in all barns under quarantine and all horses’ temperatures continue to be monitored twice daily. CDFA staff continue to provide oversight in working closely with management, trainers and owners at LAEC. The updates on this EHV-1 incident will continue on a 48 hour basis. The quarantine release date will be re-evaluated based on pending test results of the most recent febrile horse at LAEC.
November 25, 2016
Equine Herpes Viruses
Los Angeles County, CA
Outbreak Update
On November 25, 2016 An owner who violated quarantine with a confirmed febrile EHM horse, trailered the horse to an offsite premises. A quarantine was issued for this confirmed positive EHM horse and this quarantine violation will be pursued to the full extent of our quarantine authority laws. A febrile horse from one of the quarantined barns in the LAEC was moved to isolation Wednesday evening. Nasal swab and blood diagnostic samples were taken and sent to CAHFS laboratory—results are expected on Saturday. Quarantined isolation is now home to nine (9) horses and eight (8) of the nine (9) are confirmed PCR test negative on nasal swab and blood testing. Enhanced biosecurity measures are in place in all barns under quarantine and all horses’ temperatures continue to be monitored twice daily. CDFA staff continue to provide oversight in working closely with management, trainers and owners at LAEC. The updates on this EHV-1 incident will continue on a 48 hour basis. The quarantine release date will be re-evaluated based on pending test results of the most recent febrile horse at LAEC.
November 23, 2016
Equine Herpes Viruses
Los Angeles County, CA
Confirmed case(s): Official Quarantine
There was a new febrile horse with mild neurologic deficits at Los Angeles Equestrian Center (LAEC) yesterday in one of the quarantined barns. Diagnostic samples were sent to CAHFS laboratory for testing and results are positive for non-neuropathogenic EHV-1. The owner of the febrile horse violated quarantine and trailered this horse to an offsite home premises. A quarantine has been issued for the offsite premises and this quarantine violation will be pursued to the full extent of our quarantine authority laws. There are no other new febrile horses or confirmed clinical EHV-1 horses at the LAEC. Quarantined isolation is now home to eight (8) horses and all eight (8) are PCR test negative on nasal swab and blood testing. Enhanced biosecurity measures are in place in all barns under quarantine and all horses’ temperatures continue to be monitored twice daily. CDFA staff continue to provide oversight in working closely with management, trainers and owners at LAEC. The updates on this EHV-1 incident will continue on a 48 hour basis. The new febrile case has extended the quarantine release date to December 6, 2016, assuming no new EHV-1 cases and adherence to the terms of the quarantine.Go to: https://www.cdfa.ca.gov/ahfss/animal_health/equine_herpes_virus.html
November 22, 2016
Equine Herpes Viruses
Broward County, FL
Quarantine Released
As of November 21, 2016, Gulfstream Park has been released from quarantine for EHV. The quarantine was released after all horses in the high risk barns tested negative for the virus on blood and nasal swabs and no additional EHV-1 cases were detected during the quarantine period. For more information please visit http://www.FreshFromFlorida.com/ai/ and look under the announcement section.
November 22, 2016
West Nile Virus
Woods and Atoka Counties, OK
Confirmed Case(s): No Quarantine
The Oklahoma Department of Agriculture has reported their 13th and 14th cases of West Nile Virus for 2016. A yearling QH stallion located in Woods County was showing severe neurologic signs and died within 24 hours. The horse was vaccinated for WNV. An adult QH mare located in Atoka County was showing severe neurologic signs and was euthanized. The horse was not vaccinated WNV. For more information visit: http://www.ag.ok.gov