West Nile Virus (WNV)

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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

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West Nile Virus In 18 States & D.C.

November 01, 2001

Since its first appearance in this country in 1999, West Nile virus (WNV) has found its way into the everyday vocabulary of the horse community as it has made its way through 18 states... Read More

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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

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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

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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

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Clinical Signs of West Nile Virus

November 01, 2001

Nathan Slovis, DVM, an internal medicine specialist at the veterinary firm of Hagyard-Davidson-McGee in Lexington, Ky. diagnosed the first equine case of West Nile Virus (WNV) in Kentucky, and described... Read More

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West Nile Virus Update for 2001

November 01, 2001

Horses in Alabama, Virginia, and Louisiana have been battling West Nile virus (WNV) for the first time since it hit the Western Hemisphere in 1999. In the meantime, veterinarians, public health officials, and horse owners are anticipating the... Read More

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West Nile Virus Confirmed In Virginia

October 20, 2001

Virginia's Commissioner of Health E. Anne Peterson, MD, MPH, announced on Oct. 13 that a dead crow found in Prince Edward County in Southside Virginia has been confirmed to have West Nile virus. The crow is the first bird to test positive for... Read More

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West Nile Virus Found in NC Crows, Horses

October 12, 2001

North Carolina's State Public Health Laboratory reported Oct. 9 that West Nile virus (WNV) has been found in two horses in the state. The infected horses were in Hyde County and Camden County (and are not confirmed at... Read More

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West Nile Virus in Arkansas

October 12, 2001

The Arkansas Department of Health and the Livestock and Poultry Commission have reported that one dead Blue Jay in Union County has tested positive at the USGS National Wildlife Laboratory in Madison, Wisconsin for West Nile virus... Read More

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West Nile Virus Identified in Missouri Birds

October 12, 2001

West Nile virus (WNV) has been identified in five American crows from the St. Louis area. The U.S. Geological Survey National Wildlife Health Center, Madison, Wisconsin, notified the Missouri Department of Health and Senior Services Oct. 5 that... Read More

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

October 12, 2001

There have been 137 cases of clinical West Nile virus (WNV) infection detected in horses from 11 States.

The horses are from:

  • 1 county in Alabama: Dale (Ozark, 2);
  • 2 counties in Connecticut:... Read More

Article

2000 Equine West Nile Virus Study Online

October 01, 2001

The United States Department of Agriculture's Animal and Plant Health Inspection Service recently released the final full report for the year 2000 West Nile virus study in horses on the Internet.... Read More

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Mosquito Wars

October 01, 2001

West Nile virus (WNV) is spreading, and horse owners are asking, "What can I do to protect my horses?" The good news is that a vaccine for horses has been developed and conditionally approved by the USDA. Experts say the WNV vaccine should work... Read More

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Species of Mosquitoes Associated with West Nile Virus in the USA, 2001

September 28, 2001

The following are the species of mosquitoes from which West Nile virus was isolated and/or from which West Nile virus RNA was detected during 2001 (as of Sept. 25).

  1. Aedes albopictus
  2. Aedes cinereus... Read More

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Suspected Equine West Nile Virus Case In Mississippi

September 21, 2001

Mississippi public health & animal health officials announced the first identification of West Nile Virus in Mississippi on Sept. 19.

A horse from western Lee County has been found infected with West Nile virus... Read More

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Equine Cases of West Nile Virus, Jan. 1-Sept. 19, 2001

September 21, 2001

There have been 110 cases of clinical West Nile virus (WNV) infection detected in horses from 11 States. The States that most recently reported their first equine case(s) in 2001 are: Alabama (Dale County, 2), Massachusetts (Plymouth... Read More

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West Nile Virus in Alabama Horses

September 21, 2001

Two horses in Dale County, Alabama have been confirmed as positive for West Nile virus (WNV) infection. A positive horse has also been confirmed in Plymouth County, Massachusetts. These are the first equine cases of clinical WNV... Read More

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West Nile Virus Found in Iowa

September 21, 2001

A dead crow found in Scott County has tested positive in preliminary tests for West Nile virus (WNV), marking the first time the virus has been identified in Iowa. Testing of the crow was conducted at the University of Iowa Hygienic... Read More

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West Nile Virus in North Carolina

September 18, 2001

The North Carolina State Public Health Laboratory yesterday (Sept. 17) confirmed that a dead blue jay found in Cabarrus County is positive for West Nile virus (WNV), the first evidence this year of the disease found in North Carolina.... Read More

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Tennessee Confirms West Nile Virus at State Level

September 16, 2001

The Tennessee Department of Health announced yesterday (Sept. 17) that nine dead birds found in Shelby County appear to be infected with West Nile virus (WNV) according to preliminary tests. The birds, all blue jays found in zip code areas 38117... Read More

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West Nile Virus Vaccine Information

September 14, 2001

The following information is written with information from Rocky Bigbie, DVM, a representative of Fort Dodge Animal Health. Fort Dodge produces the West Nile virus vaccine.

Q: Why should we vaccinate now if... Read More

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West Nile Virus Continues to Affect Humans and Horses

September 14, 2001

Maryland, New Jersey, and Connecticut have now experienced their first human cases of West Nile virus (WNV) for 2001. A 72-year-old male from the Gwynns Falls area of Baltimore City, Md., was announced as positive for WNV on Sept. 6 b... Read More

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Western Influences

September 13, 2001

DATELINE JERUSALEM: "The Israeli Health Ministry has officially designated the outbreak of western Nile River fever as an epidemic. Since the beginning of the outbreak, 13 people have died and 61 are being treated in hospitals..." source... Read More

Article

West Nile--It's Only Just Begun

September 13, 2001

West Nile virus is beginning to peek out from the mysterious hiding places where it overwintered since an outbreak in late 1999. Five additional birds have been found dead with the virus-- four in New York, and one in New Jersey. Officials... Read More