West Nile Virus (WNV)

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WNV, EEE Identified in Massachusetts Horses

August 25, 2012

Both West Nile virus (WNV) and Eastern equine encephalitis (EEE) have been identified in Massachusetts horses.... Read More

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Oregon's First Equine WNV Case of 2012 Confirmed

August 24, 2012

The affected horse was identified in Klamath County, Ore. It is the state's first equine WNV case of 2012.... Read More

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Kentucky Equine West Nile Case Tally Rises to Seven

August 24, 2012

Neither horse--a 6-year-old Palomino gelding and a 3-year-old Quarter Horse gelding--was vaccinated.... Read More

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Two Montana Horses Positive for WNV

August 23, 2012

Neither horse was vaccinated against the disease, and both were euthanized due to disease progression.... Read More

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Equine West Nile not a Huge Problem for Kentucky to Date

August 23, 2012

Infected horses present with ataxia, which is a lack of voluntary coordination of muscle movements.... Read More

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Kentucky, California Report more WNV-Positive Horses

August 22, 2012

Five cases have been confirmed in Kentucky and six have been confirmed in California.... Read More

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Kentucky Reports Fourth Equine WNV Case of 2012

August 21, 2012

The Arabian colt from Scott County received a vaccination in March, but did not receive a follow-up booster.... Read More

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Rain Increases Risk of WNV, EEE among Wisconsin Horses

August 20, 2012

EEE and WNV have stricken hundreds of horses in Wisconsin since 2001.... Read More

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Increased Equine West Nile Virus Activity in 2012

August 18, 2012

More than 70 equine West Nile virus cases have already been diagnosed in the United States in 2012.... Read More

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Kentucky Reports Third WNV-Positive Horse of 2012

August 17, 2012

An unvaccinated 16-month-old Tennessee Walking Horse colt from Warren County tested positive today.... Read More

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Illinois Confirms First Equine WNV Case of 2012

August 17, 2012

A horse in Jackson County has tested positive for WNV, the first in the state to do so since 2010.... Read More

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Five Cases of Equine WNV Reported in Colorado in 2012

August 16, 2012

The WNV positive horses are from Fremont, Weld, Montrose (2), and Larimer counties.... Read More

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Kentucky's Second Equine WNV Case of 2012 Confirmed

August 14, 2012

The affected horse--an 18-year-old Tennessee Walking Horse from Laurel County--had no WNV vaccination history.... Read More

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N.J. Horse WNV-Positive; Officials Encourage Vaccination

August 14, 2012

An 11-year-old Quarter Horse mare from Salem County has tested positive for West Nile virus (WNV).... Read More

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Iowa's First Two Equine WNV Cases of 2012 Confirmed

August 08, 2012

Two horses from Johnson County, Iowa, have tested positive for West Nile virus.... Read More

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California Confirms Fourth Equine WNV Case of 2012

August 06, 2012

The 3-year-old unvaccinated filly from Fresno County is recovering, the CDFA said.... Read More

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Kentucky Confirms First Equine WNV Case of 2012

August 03, 2012

The affected horse was not vaccinated against WNV and has since been euthanized.... Read More

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Two More Equine West Nile Cases Confirmed in California

August 02, 2012

All three confirmed WNV cases were unvaccinated, the CDFA reported.... Read More

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California Confirms First Equine WNV Case of 2012

July 31, 2012

The 2-year-old unvaccinated filly began displaying severe neurologic signs was euthanized.... Read More

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Louisiana Horse Owners Warned about EEE, WNV Threats

July 23, 2012

Eight West Nile virus and 10 Eastern equine encephalitis cases have been confirmed in Louisiana this year.... Read More

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Oklahoma State Health Officials Warn of WNV Resurgence

July 20, 2012

Oklahoma's last confirmed WNV case came in Sept. 2009 when a horse from Cherokee County tested positive.... Read More

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North Carolina Confirms First EEE Cases of 2012

July 18, 2012

Two unvaccinated horses were euthanized this month after contracting the mosquito-borne disease.... Read More

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Alabama Horse Owners Advised to Vaccinate for EEE, WNV

July 17, 2012

Two horses--located in Mobile and Washington Counties--have tested positive for EEE in Alabama since June.... Read More

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Equine Emerging and Surging Diseases: What's on the Horizon?

July 17, 2012

Emerging and re-emerging diseases can devastate equine populations and cost the industry millions of dollars.... Read More

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Two Cases of EEE Found in June in South Carolina Horses

June 30, 2012

A 10-year-old horse from Horry County and a 4-month-old horse from Marion County recently tested positive.... Read More