West Nile virus is continuing to be found throughout the country in mosquitoes, birds, animals (including horses) and humans. While there is not a vaccine to protect humans, there is a vaccine to protect horses. West Nile virus is considered one of the “core” vaccinations recommend by the American Association of Equine Practitioners.
According to the Centers for Disease Control, through Aug. 20, 2013, non-human West Nile virus infections have been reported to CDC ArboNET from the following states: Arizona, Arkansas, California, Colorado, Connecticut, Delaware, District of Columbia, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Dakota, Ohio, Oregon, Pennsylvania, Rhode Island, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin and Wyoming.
Human West Nile virus infections have been reported to CDC ArboNET from the following states: Alabama, Arizona, Arkansas, California, Colorado, Georgia, Idaho, Indiana, Iowa, Kansas, Louisiana, Michigan, Minnesota, Mississippi, Nebraska, Nevada, New Jersey, New Mexico, New York, North Dakota, Oregon, South Dakota, Tennessee, Texas, Washington, Wisconsin and Wyoming.
You can look up this 2013 WNV information for humans by county.
You can look up this 2013 information for veterinary reports by county.
You can also view bird, mosquito, and sentinel cases by county from links found on those two pages.
In 2012 there were 2,873 reported neuroinvasive human cases, 2,801 non-neuroinvasive cases, and 286 deaths.
For 2013, neuroinvasive human disease cases have been reported to ArboNET from the following states: Arizona, Arkansas, California, Colorado, Georgia, Idaho, Indiana, Iowa, Kansas, Louisiana, Michigan, Minnesota, Mississippi, Nebraska, Nevada, New Mexico, New York, North Dakota, South Dakota, Tennessee, Texas, Wisconsin and Wyoming.
Human West Nile Virus Disease Cases* by State (as of Aug. 20, 2013)
The following lists State, number of Neuroinvasive Disease Cases, number of Non–neuroinvasive Disease Cases, Total cases, and number of Deaths.
Totals 145 151 296 11
Alabama 0 1 1 0
Arizona 7 2 9 1
Arkansas 1 0 1 0
California 43 16 59 4
Colorado 13 23 36 0
Georgia 1 1 2 0
Idaho 1 4 5 0
Indiana 1 0 1 0
Iowa 1 2 3 0
Kansas 2 0 2 0
Louisiana 4 4 8 0
Michigan 1 3 4 0
Minnesota 7 17 24 1
Mississippi 6 9 15 1
Nebraska 4 9 13 0
Nevada 5 2 7 1
New Jersey 0 1 1 0
New Mexico 1 2 3 1
New York 2 0 2 0
North Dakota 12 11 23 1
Oregon 0 1 1 0
South Dakota 25 27 52 1
Tennessee 2 1 3 0
Texas 4 9 13 0
Washington 0 1 1 0
Wisconsin 1 1 2 0
Wyoming 1 4 5 0
*Includes confirmed and probable cases
