West Nile Virus (WNV)

Article

Decreasing Risk--Utilizing Industry-Based Standards of Care

April 12, 2006

Adverse animal health events do not occur randomly. Usually, there are identifiable causal--and possibly preventable--factors that can influence the development of disease. Depending upon whether the risk factors are already known or identified... Read More

Article

Spring Rains Incite Mosquito Worries in California

April 10, 2006

Mosquito control officials are encouraging San Francisco Bay Area residents to safeguard against West Nile virus (WNV) after rains drenched Santa Clara County during most of March.

ABC 7 News reported online that after an unusually wet... Read More

Article

Georgia Neurologic Case Highlights Difficulty of Rule-Outs

February 23, 2006

A 24-year-old pleasure mare in Brunswick, Ga., was recently diagnosed with concurrent infections of equine protozoal myeloencephalitis (EPM) and equine herpesvirus type-1 (EHV-1), both of which can cause clinical signs of neurologic disease... Read More

Article

AAEP Convention 2005: Infectious Neurologic Disease

February 17, 2006

Sometimes subtle and often dramatic, infectious neurologic disease cases are things veterinarians never want to see, although most would like to understand them better and more easily recognize them when they appear in clients' horses. From... Read More

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AAEP Convention 2005: WNV DNA Vaccine Effective in Young Horses

February 17, 2006

Scientists recently showed that the Fort Dodge Animal Health West Nile virus (WNV) DNA vaccine, which is licensed but not yet commercially available, should protect foals from the virus regardless of residual antibodies received at birth from... Read More

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AAEP Convention 2005: Vaccine Efficacy and Controversies

February 01, 2006

"There are a huge number of (vaccine) choices out there and it's hard sometimes to see our way through the forest," said Julia Wilson, DVM, Dipl. ACVIM, associate professor in Veterinary Population Medicine at the University of Minnesota. "What... Read More

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DNA Vaccine Protects Foals from West Nile Virus

January 19, 2006

Scientists recently showed that the West Nile virus (WNV) DNA vaccine, which is licensed but not yet commercially available, should protect foals from the virus regardless of residual antibodies received at birth from their dams that often... Read More

Article

Scientists Test Chimera Vaccine

January 16, 2006

A new research model has been developed and successfully used to test a new type of vaccine against West Nile virus (WNV). Maureen Long, DVM, PhD, Dipl. ACVIM, assistant professor at the University of Florida, proved a chimera WNV vaccine was... Read More

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Katrina Increases Gulf Coast Mosquito Population; WNV Outbreak Not Expected

November 01, 2005

The mosquito population of the Gulf Coast's hurricane-affected areas is expected to increase at a staggering rate, according to Joe Conlon, spokesman of the American Mosquito Control Association (AMCA). However, he added that the possibility of ... Read More

Article

EEE Confirmed in Michigan Horses and Deer

October 14, 2005

Four cases of Eastern equine encephalitis (EEE) were recently confirmed in two neighboring west Michigan counties, and another in the northeast corner of the Michigan's Lower Peninsula. The disease was also confirmed in three of seven... Read More

Article

Vets Watch for Hurricane-Related Illnesses

October 12, 2005

With water pooling in places that it normally doesn't and sharp debris all around, horse owners can't help but wonder if conditions left by Hurricanes Katrina and Rita will cause an increase in the reports of illnesses such as tetanus,... Read More

Article

Study Might Link American Robins To West Nile Virus

October 01, 2005

A recent DNA study of the blood consumed by 300 mosquitoes in Connecticut over the past three years found that 40% fed on American robins, while only 1% fed on American crows, a known host of West Nile virus (WNV). Theodore Andreadis, MS, PhD,... Read More

Article

First Equine WNV Case Reported in Virginia

September 22, 2005

Virginia health officials confirmed the state’s first case of equine West Nile virus (WNV) on Sept. 19. The affected 12-year-old Quarter Horse gelding, located in Albemarle County, is currently recovering. The owners had been told when they... Read More

Article

Katrina Increases Mosquito Population

September 19, 2005

Katrina Increases Mosquito Population; WNV Outbreak Not Expected

The mosquito population of the Hurricane Katrina-affected areas is expected to increase at a staggering rate, according to Joe Conlon, American Mosquito Control Association... Read More

Article

Three Additional WNV Kentucky Cases

September 16, 2005

Three new cases of West Nile virus (WNV) were reported by the Kentucky Department of Agriculture as of Aug. 29.

In Fayette County a 2-year-old Hanovarian filly had onset of symptoms on Sept. 15. She had not been vaccinated, and she is... Read More

Article

Death and Destruction

September 01, 2005

West Nile virus (WNV) was first identified in October 1999 because of an alert zoo veterinarian in New York. The epicenter in 2005, as in 2004, is expected to be California. In six short years, a disease that had never been seen before in North... Read More

Article

West Nile Virus DNA Vaccine Approved for Horses

September 01, 2005

Commercial vaccines leapt toward state-of-the-art on July 8 when the USDA granted a license for the world's first DNA vaccine for any species. This equine vaccine springs from more than four years of collaborative research between Fort Dodge Animal... Read More

Article

WNV Patients Have a Long Road Ahead

September 01, 2005

Maureen Long, DVM, PhD, Dipl. ACVIM, assistant professor of large animal veterinary medicine at the the University of Florida, knows of at least four horses that appeared to make full recoveries from West Nile virus (WNV) before getting sick... Read More

Article

WNV: Where Are We Today?

September 01, 2005

Let's face it--we were getting comfortable, perhaps complacent, in our twice-a-year visits from our horse's veterinarians for inoculations against the old, familiar diseases...Eastern and Western equine encephalitis, influenza, rabies... Read More

Article

West Nile Recovery x 3

September 01, 2005

One day, Marla Gilvin heard whinnying uncharacteristic from her 5-year-old Kentucky Mountain mare Cocoa Rain. “I went out to see what she was doing and called her to the barn,” Gilvin recalls. “She didn’t move. Her 4-month-old foal was running... Read More

Article

Study Might Link American Robins to West Nile Virus

August 26, 2005

A recent DNA study of the blood consumed by 300 mosquitoes in Connecticut over the past three years found that 40% of them fed on American robins (Turdus migratorius), while only 1% fed on American crows (Corvus brachyrhynchos)... Read More

Article

WNV Transmission Between Co-Feeding Mosquitoes

August 25, 2005

More than just birds and mosquitoes could play a key role in the spread of West Nile virus (WNV). Scientists recently determined that an uninfected mosquito can get WNV from an infected mosquito when feeding directly next to it on an uninfected... Read More

Article

Practical Mosquito Control

August 09, 2005

In addition to vaccination, mosquito control is critical in protecting your horses against WNV. Here's quick review on controlling mosquito populations in your barn:

  • Eliminate areas of standing water through improved drainage, or... Read More

Article

EEE and WNV Detected in New Hampshire

August 08, 2005

The New Hampshire Department of Health and Human Services (DHHS), Division of Public Health Services announced Friday (Aug. 5) that it has confirmed the presence of West Nile virus (WNV) in a bird found in Pembroke, N.H. Lab results provided by... Read More

Article

West Nile Virus Human Vaccine on the Way

August 03, 2005

Horses had a West Nile virus (WNV) vaccine within roughly two years of the first discovery of the virus in the Western Hemisphere. It has taken a little longer to get a WNV human vaccine through the pipeline and to the American public. A... Read More