As of 8 August the CDC reports four human deaths from West Nile Virus (WNV) infection. The fatalities took place in Idaho, Michigan, Minnesota and Mississippi. There have been 192 human infections so far this year, of which 84 (44%) had West Nile meningitis or encephalitis, 102 (53%) had West Nile Fever and 6 were unspecified.

West Nile Fever is a milder disease than West Nile meningitis or encephalitis. West Nile meningitis or encephalitis is known as a neuroinvasve disease.

Below is a break down of each state:
(Source: CDC)

Arizona
Neuroinvasive – 2
Fever – 2
Unspecified – 1
Total – 5
Fatalities – 0

California
Neuroinvasive – 7
Fever – 11
Unspecified – 2
Total – 20
Fatalities – 0

Colorado
Neuroinvasive – 3
Fever – 8
Unspecified – 0
Total – 11
Fatalities – 0

Idaho
Neuroinvasive – 6
Fever – 38
Unspecified – 1
Total – 45
Fatalities – 2

Indiana
Neuroinvasive – 1
Fever – 0
Unspecified – 0
Total – 1
Fatalities – 0

Iowa
Neuroinvasive – 1
Fever – 3
Unspecified – 0
Total – 4
Fatalities – 0

Kansas
Neuroinvasive – 0
Fever – 1
Unspecified – 0
Total – 1
Fatalities – 0

Michigan
Neuroinvasive – 1
Fever – 0
Unspecified – 0
Total – 1
Fatalities – 1

Minnesota
Neuroinvasive – 6
Fever – 3
Unspecified – 0
Total – 9
Fatalities – 1

Mississippi
Neuroinvasive – 11
Fever – 5
Unspecified – 0
Total – 16
Fatalities – 2

Missouri
Neuroinvasive – 1
Fever – 0
Unspecified – 1
Total – 2
Fatalities – 0

Nebraska
Neuroinvasive – 4
Fever – 4
Unspecified – 0
Total – 8
Fatalities – 0

Nevada
Neuroinvasive – 6
Fever – 10
Unspecified – 1
Total – 17
Fatalities – 0

New York
Neuroinvasive – 1
Fever – 0
Unspecified – 0
Total – 1
Fatalities – 0

North Dakota
Neuroinvasive – 0
Fever – 5
Unspecified – 0
Total – 5
Fatalities – 0

Oklahoma
Neuroinvasive – 3
Fever – 0
Unspecified – 0
Total – 3
Fatalities – 0

Pennsylvania
Neuroinvasive – 3
Fever – 0
Unspecified – 0
Total – 3
Fatalities – 0

South Dakota
Neuroinvasive – 8
Fever – 10
Unspecified – 0
Total – 18
Fatalities – 0

Texas
Neuroinvasive – 17
Fever – 0
Unspecified – 0
Total – 17
Fatalities – 0

Utah
Neuroinvasive – 3
Fever – 2
Unspecified – 0
Total – 5
Fatalities – 0

Totals
Neuroinvasive – 84
Fever – 102
Unspecified – 6
Total – 192
Fatalities – 6

In 2005 there were 119 human deaths from WNV infection.

Written by: Christian Nordqvist
Editor: Medical News Today