Recent News for Neurologic Disease

Article

Equine Cases of West Nile Virus Infection, Jan. 1-Oct. 31, 2001

November 07, 2001

There have been 347 cases (344 confirmed, three probable) of clinical West Nile virus (WNV) infection in horses from 18 States (see Summary by state and county, below). Of 262 horses for which an outcome has been reported to date, at... Read More

Article

EPM Vaccine

November 02, 2001

On Dec. 18, 2000, a vaccine to prevent EPM was approved by the USDA. As of Jan. 25, a total of 43 states had approved the use of the EPM vaccine under USDA conditional licensure. The vaccine must be used under the supervision of a... Read More

Article

West Nile Virus--Mosquito Not Required

November 02, 2001

Researchers at the United States Geological Survey's (USGS) National Wildlife Health Center in Madison, Wis., recently discovered that West Nile virus can be passed from bird to bird in a laboratory setting without the bite of a mosquito.... Read More

Article

EEE In South Carolina

November 02, 2001

Encephalitis has plagued the East Coast in 2000, with South Carolina the latest state under attack. South Carolina's bout with at least nine cases of Eastern equine encephalitis (EEE) had horse owners on the defensive this fall.

"We hav... Read More

Article

West Nile Continues Migration

November 02, 2001

"The inevitable has occurred," said Bruce L. Akey, DVM, when the first positive West Nile virus (WNV) bird case was confirmed in Prince Edward County, Va., on Oct. 13. Akey is director of Virginia's veterinary lab system. Then, as if the deadly... Read More

Article

EEE Confirmed In Virginia

November 02, 2001

Ten horses in Virginia have died of neurological symptoms thought to be caused by Eastern equine encephalitis (EEE), according to Bruce Akey, DVM, director of the state's laboratory system and president of the American Associa-tion of Veterinary... Read More

Article

West Nile Virus Update

November 02, 2001

Public concern has grown in New England after findings of the West Nile virus in more dead birds and mosquitoes. (For updated WNV coverage, visit Read More

Article

Rabies: Eliminate The Risk

November 02, 2001

Never before have horse owners been as aware of the threat of equine illness as this spring and summer. The list of potential nasties has read like a virtual "Whoâs Who in Equine Diseases." Such terms as encephalitis and West Nile have become... Read More

Article

EIA In Montana

November 02, 2001

Eight cases of equine infectious anemia (EIA) have been discovered in Montana in 2000, according to officials from the stateâs Department of Livestock (DoL). All of the infected horses are on or traced from the Tehinnah Ranch in Melrose, Mont.... Read More

Article

EPM Treatments, Vaccine

November 02, 2001

Horse owners worried about equine protozoal myeloencephalitis (EPM) take note: In the next few months, there could be several new products reaching the market designed to treat or prevent this neurological disease caused by a single-celled... Read More

Article

EEE In Louisiana

November 02, 2001

Four cases of Eastern equine encephalitis had been confirmed in Louisiana at press time. According to a report from a Louisiana Public Health Epidemiologist, the earliest onset was on March 19, and the other three horses had onsets ranging from... Read More

Article

Encephalitis In California

November 02, 2001

Eastern equine encephalitis (EEE) virus or an unrecognized, but very similar, virus, was isolated from the brain of a horse which died on April 21, 2000, in Ventura County, California. Essentially an East Coast disease, EEE rarely has been... Read More

Article

First West Nile Virus Positive Horses Confirmed in Tennessee, Illinois

November 02, 2001

According to an Oct. 25 United States Department of Agriculture (USDA) Plant and Animal Health Inspection Service (APHIS) Emergency management warning, a horse in Greene County, Tennessee, has been confirmed as positive for West Nile... Read More

Article

West Nile Virus Case Definition

November 02, 2001

“Probable,” “presumptive,” “suspected,” and “confirmed.” All of these words are used to describe equine cases tested for West Nile virus (WNV). The cases might be “confirmed” on a local, state, or national level. What do these... Read More

Article

West Nile Virus Surveillance

November 01, 2001

West Nile virus (WNV) is in the United States to stay, and horse owners should not assume that exposure is limited to the northeastern part of the country.... Read More

Article

West Nile Virus Surveillance Maps Available

November 01, 2001

Web-based maps illustrating results from 2001 West Nile virus (WNV) surveillance will be available through the collaboration of the United States Geological Survey (USGS) and the Centers for Disease Control and Prevention (CDC) on the Center for... Read More

Article

EIA In Georgia

November 01, 2001

Georgia Agriculture Commissioner Tommy Irvin said on June 15 that 41 horses are quarantined at 10 different North Georgia locations due to exposure to equine infectious anemia (EIA).

"We have tested these 41 quarantined in the Adairsville,... Read More

Article

Ohio Readies for West Nile

November 01, 2001

West Nile virus (WNV) isn't disclosing any secrets about which direction it's headed next, but Ohio is considered to be in its path, and state officials have responded accordingly. A West Nile Virus Workgroup was formed in 2000,... Read More

Article

Florida West Nile Surveillance

November 01, 2001

Spring and summer are when frequent rains encourage mosquito population growth, increasing the risk of arboviruses (diseases spread by arthropod vectors) for equine populations. West Nile virus (WNV) looms as a possible threat, and the state of... Read More

Article

EEE Detected in Minnesota

November 01, 2001

Minnesota recently had its first encounter with Eastern equine encephalitis (EEE) when the disease was confirmed in two horses in separate areas of the state. One horse was from Blue Earth County in southern Minnesota, and the other was from... Read More

Article

The Impact of West Nile Virus

November 01, 2001

Before the late summer of 1999, most veterinarians in the United States could not have told you much about West Nile virus (WNV). Most regulatory veterinarians, like myself, only knew that WNV didn't exist in the Western Hemisphere, and it wasn'... Read More

Article

West Nile Virus Migrates to the Southeast

November 01, 2001

The year's first four equine cases of West Nile virus (WNV) in the United States have been confirmed in Florida. Three positive horses were located in Jefferson County, and one was found in bordering Leon County. The United States Department of... Read More

Article

FDA Approves First EPM Treatment

November 01, 2001

The Food and Drug Administration (FDA) has approved the first drug to treat equine protozoal myeloencephalitis (EPM) in horses. Bayer Animal Health of Shawnee Mission, Kan., is the sponsor of the drug ponazuril, which will have the trade name... Read More

Article

West Nile Virus Found in Ohio

November 01, 2001

At press time, West Nile virus (WNV) had officially arrived in Ohio, according to state and local health officials. The virus was found in a blue jay in Lake County, in northeastern Ohio. This is the farthest west that WNV has been found in the... Read More

Article

Skunk Revealed as an EPM Intermediate Host

November 01, 2001

Researchers have discovered that the striped skunk can serve as an intermediate host in the laboratory for Sarcocystis neurona, the single-celled protozoan parasite that causes equine protozoal myeloencephalitis (EPM). The striped skunk's... Read More