West Nile Virus (WNV)

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The Buzz On Mosquitoes

May 03, 2006

Mosquito control experts and human health authorities are concerned that Americans are becoming complacent about protecting themselves and their horses against West Nile virus (WNV). They discussed this trend and new mosquito control techniques... Read More

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WNV: A Threat to Unvaccinated Horses

April 24, 2006

As spring approaches and temperatures rise, growing mosquito populations will increase the risk for deadly mosquito-borne diseases, including West Nile virus (WNV) and equine encephalomyelitis (sleeping sickness).

Since its discovery in... Read More

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A New Model for Predicting Outbreaks of West Nile Virus

April 24, 2006

Infectious diseases were wreaking widespread havoc long before scientists had any idea what caused them. But knowing the pathogenic agents behind today's scourges is just the first step in protecting against deadly outbreaks. Roughly 75% of... Read More

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Human WNV Vaccine Tested

April 18, 2006

A team of U.S. and U.K. researchers have shown that an experimental West Nile virus (WNV) vaccine shows promise in protecting humans from the arbovirus. The study abstract appeared online April 14 in the early edition of the Proceedings of... Read More

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Ohio Health Officials Begin WNV Surveillance Season

April 17, 2006

According to the online edition of the Bucyrus Telegraph Forum (www.bucyrustelegraphforum.com), the Ohio Department of Health began accepting dead bird submissions today... Read More

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WNV Treatment Trial Begins

April 17, 2006

GenoMed, a medical genomics company, is seeking horses to participate in a free trial to test a medical protocol for treating West Nile virus (WNV). David W. Moskowitz, MD, MA, FACP, chairman, CEO, and chief medical officer for GenoMed, said the... Read More

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Kentucky's EIA and West Nile Surveillance Program

April 14, 2006

During 2005, a total of 121,813 samples were tested for equine infectious anemia (EIA). For the first time since regulatory testing was initiated in the 1970s, no positive animals were identified (Figure 1). Private testing accounted for 101,650... Read More

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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