West Nile Virus (WNV)

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Disease Control Yearly Planner

November 26, 2008

Guard against diseases on your farm year-round by employing these seasonal tips

For a horse to perform to his utmost capacity, he must be healthy and sound throughout the year. The smallest details of farm management often... Read More

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University of Florida Veterinarian Troubleshoots West Nile Virus

November 10, 2008

In 2001, University of Florida veterinarian Maureen Long, DVM, PhD, Dipl. ACVIM, became an authority on West Nile virus by accident. That year, Long and other UF Large Animal Medicine clinicians saw some of the first Florida horses breaking with... Read More

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Eastern Equine Encephalomyelitis Cases Reported In Mississippi

October 26, 2008

This week the Mississippi State Department of Health reported three new cases of Eastern equine encephalomyelitis (EEE), a mosquito-borne virus, bringing the state's total... Read More

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Kentucky Reports Fourth WNV Case of 2008 Season

October 17, 2008

A fourth horse in Kentucky has tested positive for West Nile virus (WNV). According to a notification released by the state veterinarian's office, the 7-year-old Tennessee Walking Horse had been partially vaccinated against the disease. It had... Read More

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Two Texas Horses Positive for EEE

October 10, 2008

Texas has joined at least five other states this year in reporting cases of Eastern equine encephalitis infection in horses. In Houston County, in the southeast corner of the state, a horse with clinical illness has tested positive for the... Read More

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Washington Horse Owners Beware: West Nile Virus Lurking

October 05, 2008

The Washington state Department of Health reported two additonal horses have tested positive for West Nile virus. There also have been additional dead birds in Lewis and Pierce Counties that tested positive.

Earlier this year West Nile... Read More

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Kentucky Reports Second Equine West Nile Virus Case

October 01, 2008

A second Kentucky horse has been confirmed as positive for West Nile virus, animal health officials announced.

The affected animal is a 17-month-old Tennessee Walking Horse from Adair County, in the south-central portion of the state. This... Read More

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Third Kentucky Horse has West Nile Virus

October 01, 2008

A third horse in Kentucky has been confirmed positive for West Nile virus. Two other cases have been reported thus far this year, with the second reported just hours before the third. The cases all occurred within different counties.

The... Read More

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Number of Human West Nile Virus Cases Lowest in Years

September 30, 2008

The West Nile virus season is on track to be the mildest in seven years, with less than a third the number of serious human cases as last year's total, U.S. health officials said.

As of Tuesday, there were 368 severe human cases, with 18... Read More

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Kentucky Reports First Equine West Nile Virus Case of 2008

September 18, 2008

Kentucky agriculture officials announced today that a 9-year-old Saddlebred gelding has been confirmed positive for West Nile virus (WNV). This is the first WNV case in the state so far this year.

The affected horse lives in Christian... Read More

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Tennessee Officials Urge Horse Owners to Protect Against EEE

August 30, 2008

The Tennessee Departments of Agriculture and Health this month urged horse owners to protect their horses from mosquitoes and to review vaccination records for Eastern equine encephalitis (EEE) and other mosquito-borne diseases including West... Read More

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Infectious Disease in Horses

August 15, 2008

Equine authorities discussed numerous infectious disease topics and studies during the 2007 AAEP Convention.... Read More

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Wisconsin Horses Positive for EEE, WNV

August 12, 2008

A horse in Dodge County, Wisc., has died from Eastern equine encephalomyelitis (EEE), a mosquito-borne disease that is easily prevented by vaccination.

A yearling Quarter Horse died from EEE in Juneau July 28, one day after it showed... Read More

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WNV Reported in Washington Horses

August 05, 2008

West Nile virus (WNV), a potentially fatal disease in equines, has been confirmed in two horses, one in Moses Lake and the other in the Toppenish area, according to a statement released by the Washington State Department of Agriculture (WSDA).... Read More

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West Nile Incidence and Vaccination, 1999-2007

July 27, 2008

West Nile virus (WNV), an arbovirus endemic in North America, is the causative agent of West Nile equine encephalomyelitis (WNEE) and an important consideration in the differential diagnosis of horses with signs of neurologic disease. West... Read More

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New Mexico Horse Tests Positive for West Nile Virus

July 20, 2008

A horse from McKinley County, N.M., has tested positive for West Nile virus, the first positive test for the virus in a horse this year.

That word from the state health department.

New Mexico has reported no human cases of West... Read More

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Iowa State University Vets: Protect Horses from WNV

July 07, 2008

The time to protect horses from West Nile virus (WNV) is now, said David Wong, DVM, MS, Dipl. ACVIM, assistant professor of equine medicine at Iowa State University's Veterinary Medical Center.

"The peak of West Nile season is Augus... Read More

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First California Equine WNV Case of 2008 Reported

June 24, 2008

The first positive equine case of West Nile virus in California in 2008 has been reported in Riverside County. The affected horse, a 15-year-old Quarter Horse gelding, died.

West Nile virus (WNV) is a mosquito-borne virus that was first... Read More

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South Dakota Horse Owners Reminded to Vaccinate Against WNV

May 22, 2008

Although the number of cases of WNV in South Dakota's horses has gone down significantly in recent years, this decline can be largely attributed to the success of the vaccine, according to South Dakota State... Read More

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Vaccination Schedule Guidelines

April 21, 2008

Developing a vaccination schedule is not as straightforward as it sounds. So much of what you should vaccinate for depends upon such factors as where you live, how often your horse travels, how old he is, his vaccination history, and what infectious ... Read More

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West Nile Virus 'Hot Spots' Identified in Texas

April 10, 2008

In a recently published study Texas A&M University veterinarians identified two "hot spots" of West Nile virus (WNV) based on data they collected between 2002 and 2004. One of these spots is in northwestern Texas and the other in an eastern... Read More

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West Nile Virus: Threat and Response

April 04, 2008

In 1999 one in three equines that contracted West Nile virus in North America died due to naïve immune systems... Read More

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Florida Official Urges EEE Vaccination; 9 Deaths Reported

March 21, 2008

Florida horse owners are being urged to take advantage of the vaccines available to protect their animals against Eastern equine encephalitis (EEE) and West Nile virus, said Florida Agriculture and Consumer Services Commissioner Charles H. Bronson.... Read More

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Dealing with Emerging Infectious Diseases

March 05, 2008

Scientists are becoming increasingly concerned about the marked and persistent development of emerging infectious diseases--infections that are new to a population or geographic area, have appeared more frequently, or have become more virulent (abl... Read More

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Antibodies to WNV Common in Arab Emirate Horses

January 18, 2008

Researchers found antibodies to West Nile virus (WNV) in nearly 20% of horses recently tested in the United Arab Emirates (UAE), according to Ulrich Wernery, DVM, PhD, scientific director of the Centra... Read More