West Nile Virus (WNV)

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Researchers Test WNV Vaccines

June 30, 2007

In a recent study, University of Florida researchers evaluated the effectiveness of three commercially available equine West Nile virus (WNV) vaccines. While all vaccinated horses, irrespective of the vaccine administered, did not develop viremi... Read More

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West Nile Virus Detected in Idaho

June 16, 2007

West Nile virus (WNV) has been found in mosquitoes in southwest Idaho, the Idaho Department of Health and Welfare reported.

Mosquitoes in Gem County tested positive for the virus June 8. It is the first time this year the virus has been... Read More

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WNV: Pennsylvania Reports First Positive Mosquito of 2007

June 12, 2007

Pennsylvania state officials reported June 12 that the first mosquito sample positive for the West Nile virus in the state this year has been found in Blair Township, Blair County.

"As with people, animals become infected with the West Nile... Read More

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West Nile Virus Appearing in Washington Horses

June 08, 2007

In 2002, Washington confirmed its first two equine cases of West Nile virus (WNV) in Pierce and Thurston counties. The disease was not seen again until 2005, when one positive horse was found in Yakima County. In 2006, six cases were confirmed,... Read More

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WNV: Some East Coast Bird Populations Wiped Out

May 31, 2007

Birds that once flourished in suburban skies, including robins, bluebirds and crows, have been devastated by West Nile virus, a new study has found.

Populations of seven species have suffered dramatic declines across the continent since Wes... Read More

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WNV: Oregon Braces for Surge in Cases

May 19, 2007

Based on the pattern of the disease's spread, Oregon might see a sharp increase in the humans who get West Nile virus in 2007, health officials say.

When the virus crosses state boundaries, officials said, it typically results in a few cases... Read More

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WNV: Illinois Horse Owners Advised to Vaccinate Animals

May 14, 2007

The Illinois Department of Agriculture released a statement last week reminding horse owners to vaccinate their animals before the onset of mosquito season to protect against West Nile virus (WNV).

"Many horses infected with WNV never... Read More

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Wet Spring in Kansas Raises Concerns About Mosquito Numbers

May 12, 2007

Health authorities hope Kansas' wet weather this spring doesn't translate into a surge in mosquito numbers.

"It's going to depend on temperature, how long the water stays on the ground, things like that," said Ludek Zurek, an assistant... Read More

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West Nile Virus: Delaware Residents Asked to Report Dead Birds to State

April 23, 2007

The Delaware Department of Natural Resources and Environmental Control's Mosquito Control Section is again asking for the public's help in monitoring West Nile virus (WNV) by reporting sick or dead wild birds that might have contracted the virus... Read More

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West Nile Virus Continues to be a Threat

April 05, 2007

With spring here and temperatures on the rise throughout the country, growing mosquito populations increase the risk for mosquito-borne diseases, including West Nile virus and equine encephalomyelitis (sleeping sickness). To protect their horses... Read More

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Medicine and Disease

March 23, 2007

Equine authorities at the 2006 AAEP Convention discussed numerous medical topics, get the summary here.... Read More

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AAEP Convention 2006: Medicine

March 01, 2007

Uplifting Applications for UC Davis Large Animal Lift

John... Read More

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NAHMS: Most Commonly Used Equine Vaccine Type in U.S. is West Nile Virus

December 03, 2006

Equine operation managers surveyed for the National Animal Health Monitoring System's (NAHMS) Equine 2005 study report that West Nile virus (WNV) vaccines are the most common vaccine administered to horses at their facilities.

More than... Read More

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West Nile Virus Detected in France

October 11, 2006

French veterinary officials have reported the confirmation of the country's first equine West Nile virus (WNV) case in two years. The case was detected in Pyrenees-Orientales (southern France) on a farm located at Argeles-sur-mer.

There... Read More

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Kentucky's WNV Case Count Rises to 15

October 02, 2006

The Office of the State Veterinarian in Kentucky reported an additional equine case of West Nile virus (WNV) today. This brings the total for 2006 to 15 cases.

The 3-year-old Quarter Horse gelding in Webster County began showing signs o... Read More

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Idaho Leads Nation in Equine WNV Cases

September 29, 2006

As West Nile virus (WNV) continues to appear across the United States this mosquito season, Idaho horses are being hit hard. More than 300 horses have been diagnosed with the illness in 2006.

Marilyn Simunich, DVM, of the Idah... Read More

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British Columbia's First Equine WNV Case Likely Imported

September 25, 2006

A Canadian news service reports that British Columbia health authorities have recorded the detection of the province's first animal case of West Nile virus—a horse. However, the horse likely contracted the illness during a recent visit to... Read More

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West Nile Virus Cases in Horses Continue to Climb

September 25, 2006

According to the most recent figures from the U.S. Geological Survey, more than 670 cases of West Nile Virus disease in horses have been reported this year.1 As the number of cases continues to grow, states west of the Mississippi... Read More

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Kentucky's 14th WNV Case Confirmed

September 20, 2006

The Kentucky State Veterinarian's office announced today (Sept. 20) the 14th confirmed case of West Nile virus (WNV) in the state. Rusty Ford, Equine Programs Manager, said an 8-year-old Thoroughbred filly was euthanatized in Lincoln County.... Read More

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WNV-Infected Horses Not a Predictor for Humans

September 19, 2006

A Canadian study concluded that horses infected with West Nile virus (WNV) were not a reliable indicator for future human infections. The study was published in the June issue of Preventive Veterinary Medicine.

Researchers at th... Read More

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Kentucky's 13th WNV Case Confirmed

September 19, 2006

Three Kentucky horses were confirmed as having West Nile virus (WNV) today (Sept. 19), bringing to total for 2006 to 13, according to Rusty Ford, Equine Programs Manager, Kentucky State Veterinarian's office. None of the horses were vaccinated;... Read More

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Veterinary Inspectors Needed For UK Livery Yard Licensing

September 18, 2006

With Livery Yard licensing likely to be introduced next summer under the new Animal Welfare Act the veterinary profession will have a key role to play.

While the final details of the legislation have yet to be formulated it is highly likely... Read More

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Kentucky's 10th WNV Case

September 13, 2006

The 10th West Nile virus (WNV) case of 2006 in Kentucky was confirmed today (Sept. 13), said Rusty Ford, Equine Programs Manager, of the Kentucky State Veterinarian's office. There were only nine total WNV cases in Kentucky last year.

Th... Read More

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Two More WNV Cases in Kentucky

September 09, 2006

West Nile virus (WNV) remains on the radar of Kentucky agriculture officials; two new equine cases were confirmed Friday (Sept. 8). Nine horses have been infected with the disease in 2006.

A 4-year-old Rocky Mountain Horse mare in Adair... Read More

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Intervet Introduces PreveNile WNV Vaccine

September 05, 2006

Intervet Inc. has announced the availability of PreveNile. The new modified-live vaccine (MLV) for horses is the first one-dose West Nile virus (WNV) vaccine available for primary immunization.

"PreveNile offers the most advanced WNV... Read More