West Nile Virus (WNV)


WNV Reported in Michigan Horse

August 18, 2006

Michigan's State Veterinarian Dr. Steve Halstead today announced the state's first case of West Nile Virus (WNV) in a horse for 2006. The horse was a 3-year old gelding from Washtenaw County. Dr. Halstead urges residents to take precautions... Read More


Five Montana Horses Diagnosed with WNV

August 17, 2006

West Nile virus (WNV) has been confirmed in horses in five Montana counties, state Livestock Department officials said Wednesday (Aug. 16).

Horses in Cascade, Glacier, Phillips and Yellowstone counties and a second horse in Flathead... Read More


This Year's First Human Case of West Nile Confirmed in Pennsylvania

July 27, 2006

Health Secretary Dr. Calvin B. Johnson today (July 27) reported the first human case of West Nile virus in Pennsylvania this year. The individual, a 43-year-old York County male, was hospitalized and released and has recovered.

"The fact... Read More


West Nile Virus in 24 States

July 10, 2006

Twenty-four states have reported detecting West Nile virus (WNV) in 2006, according to the latest data reported on the U.S. Geological Survey web site (last updated June 27). The disease has infected horses in four states: Iowa, North Dakota,... Read More


Equine WNV Case Detected in Wyoming

June 13, 2006

Today's online edition of the Casper Star-Tribune reports that Wyoming has logged its first animal case o... Read More


Illinois Logs First Avian WNV Case for 2006

June 07, 2006

(Edited press release)

The Illinois Department of Public Health has announced its first avian West Nile virus (WNV) finding for 2006. Dr. Eric E. Whitaker, state public health director, said a crow collected by the DeWitt/Piatt... Read More


New Hampshire Begins 2006 Testing for EEE, WNV

June 02, 2006

The New Hampshire Department of Health and Human Services' Division of Public Health Services (DPHS) this week announced the beginning of statewide Eastern Equine encephalitis (EEE) and West Nile virus (WNV) surveillance season. The bird testing... Read More


Mosquito Season Brings West Nile Risk to Humans, Horses

May 25, 2006

Wear Insect Repellant, Eliminate Standing Water to keep Mosquitoes Away

Read More


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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


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