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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
August 17, 2015 West Nile Virus Houston, Atascosa, Jefferson, Roberts, Sterling, Parker, and Randall Counties, TX Information Only
Since July 3, 2015, the Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL) has reported multiple positive cases of West Nile virus (WNV) and Eastern Equine Encephalitis (EEE) in horses located across the state of Texas. Go To: http://tvmdl.tamu.edu/2015/08/11/in-2015-7-cases-of-west-nile-virus-and-7-eastern-equine-encephalitis-confirmed-in-texas/
August 16, 2015 Vesicular Stomatitis Colorado Counties, CO Confirmed case(s): Quarantine
BROOMFIELD, Colo. – As of 8/12/2015, the Colorado Department of Agriculture’s State Veterinarian’s Office has 70 locations in 10 counties under quarantine after horses, mules, and cattle herds tested positive for Vesicular Stomatitis (VS). Go To--https://www.colorado.gov/pacific/agmain/news/8142015-vesicular-stomatitis-vs-update-–-positive-diagnosis-ten-colorado-counties
August 15, 2015 West Nile Virus Augusta , VA Information Only
The Virginia Department of Agriculture and Consumer Services (VDACS) today announced 2014’s first positive case of West Nile Virus (WNV) in a horse. The horse, an eight-year-old Paint Gelding, is from Augusta County. It had not been vaccinated for WNV. Go to: http://www.vdacs.virginia.gov/news/releases-a/092614wnv.shtml
August 11, 2015 Anthrax Uvalde County, TX Confirmed case(s): Quarantine
AUSTIN- The first Anthrax case in Texas for 2015 has been confirmed in equine in Uvalde County. The premises is located approximately 25 miles northwest of Uvalde. The Texas Animal Health Commission (TAHC) has quarantined the premises. TAHC rules require proper disposal of affected carcasses and vaccination of livestock on the premises prior to release of the quarantine. http://www.tahc.texas.gov/news/pr/2015/2015-08-10_Anthrax.pdf
August 11, 2015 Eastern Equine Encephalitis Jefferson County, FL Information Only
A new case in Jefferson County has been confirmed with EEE. The donkey, a 17 year old unvaccinated jack had not been off the property in 6 months. Clinical signs began July 25th and progressed until the donkey died of natural causes on July 28th.. The case was confirmed positive by the Georgia Department of Agriculture on August 5th. This is the first confirmed case in Jefferson County and the 18th positive in Florida since the beginning of the year.
August 11, 2015 Strangles St. Johns County, FL Confirmed case(s): Quarantine
A new premise in St. Johns County, Florida that was confirmed with strangles. Currently one horse of the two horses on the property are clinical. The symptoms started on August 4th and PCR testing returned positive on August 10th. Currently the premises is under quarantine. This is the first confirmed case in St. Johns County and the 20 incident for the state since the beginning of the year.
August 06, 2015 Vesicular Stomatitis Multiple Counties, CO Confirmed case(s): Quarantine
As of 8/5/2015, the Colorado Department of Agriculture’s State Veterinarian’s Office has 53 locations in eight counties under quarantine for vesicular stomatitis (VS). Counties with Current VS Quarantines: Archuleta County 5 premises, Chaffee County 1 premises, Delta County 10 premises, La Plata County 5 premises, Larimer County 11 premises, Las Animas County 0 premises (Quarantine released), Mesa County 3 premises, Montezuma County 4 premises, Montrose County 14 premises.
August 04, 2015 West Nile Virus KEnnewick, Yakima, Benton, Franklin and Adams counties, WA Information Only
The Washington State Department of Agriculture (WSDA) has confirmed five new cases of West Nile virus in horses, bringing to six the number of cases so far this year and now surpassing the total number in the state for all of 2014. The first case of West Nile virus in a horse this year was reported July 21 and involved an unvaccinated Quarter horse gelding in Kennewick. The horse’s condition continues to improve. Veterinarians reported four new cases since then, all confirmed as positive for West Nile virus by the Washington State University’s Animal Disease Diagnostic Laboratory in Pullman. They include: -A two-year-old unvaccinated Andalusian stud colt from Harrah, Yakima County. The horse’s condition is improving. -A four-year-old unvaccinated Andalusian stud in Kennewick, Benton County. It has been euthanized. -A three-year-old unvaccinated Quarter horse gelding in Mesa, Franklin County. The horse died. -A nine-year-old Appaloosa mare in Othello, Adams County. It is unclear if it was vaccinated, but appears to be recovering. -A three-year old Azteca male in Mabton, Yakima county. The horse was not vaccinated and appears to be recovering.
August 02, 2015 Vesicular Stomatitis Western South Dakota, SD Information Only
PIERRE, S.D. - Two confirmed cases of Vesicular Stomatitis Virus (VSV), a reportable animal disease, have been found in western South Dakota. USDA’s National Veterinary Services Laboratory reported the disease to South Dakota state veterinarian, Dustin Oedekoven*, after testing samples that were submitted on Tuesday, July 28, 2015.
July 31, 2015 Vesicular Stomatitis Archuleta, Delta, La Plata, Larimer, Montezuma, and Montrose Counties, CO Confirmed case(s): Quarantine
The current Colorado situation report has 44 total premises in six counties, Archuleta, Delta, La Plata, Larimer, Montezuma, and Montrose, under movement control for VSV. In total there have been 65 total premises confirmed/suspect for VSV. Twenty-one premises have been released from quarantine. The quarantine period for premises with suspect or confirmed VSV cases is 14 days from onset of lesions in the last affected animal on the premises. Go TO: http://www.aaep.org/custdocs/VesicularStomatitisControlGuidelinesFinal091212.pdf