West Nile Virus Disease Cases by State 2019

West Nile Virus Disease Cases* and Presumptive Viremic Blood Donors by State – United States, 2019 (as of April 30, 2020)

West Nile Virus Disease Cases and Presumptive Viremic Blood Donors by State – United States, 2019
State Neuroinvasive
Disease Cases†
Non–neuroinvasive
Disease Cases
Total
cases
Deaths Presumptive viremic
blood donors‡
Alabama 4 1 5 0 1
Alaska 0 1 1 0 1
Arizona 136 38 174 18 23
Arkansas 7 2 9 1 2
California 147 78 225 6 18
Colorado 52 70 122 8 11
Connecticut 1 0 1 0 0
District of Columbia 9 2 11 0 0
Florida 2 0 2 0 1
Georgia 9 5 14 1 2
Idaho 5 8 13 0 6
Illinois 20 6 26 0 0
Indiana 3 0 3 1 0
Iowa 1 4 5 0 1
Kansas 5 5 10 0 2
Kentucky 4 6 10 0 0
Louisiana 11 9 20 2 3
Maryland 3 3 6 0 0
Massachusetts 2 3 5 0 3
Michigan 11 1 12 1 5
Minnesota 1 2 3 0 1
Mississippi 12 3 15 0 1
Missouri 4 1 5 0 0
Montana 3 0 3 0 1
Nebraska 17 11 28 1 4
Nevada 33 11 44 2 5
New Jersey 6 2 8 0 0
New Mexico 30 10 40 4 3
New York 14 2 16 1 1
North Carolina 1 0 1 0 0
North Dakota 2 7 9 0 0
Ohio 3 0 3 1 0
Oklahoma 5 2 7 0 0
Oregon 6 3 9 0 0
Pennsylvania 5 2 7 0 0
South Carolina 2 0 2 0 0
South Dakota 0 11 11 0 0
Tennessee 3 0 3 0 0
Texas 24 8 32 4 4
Utah 14 7 21 2 0
Virginia 4 2 6 1 0
Washington 3 2 5 0 3
Wisconsin 0 2 2 0 2
Wyoming 2 2 4 0 0
Totals 626 332 958 54 104

*Includes confirmed and probable cases.

†Includes cases reported as meningitis, encephalitis, or acute flaccid paralysis.

‡Presumptive viremic blood donors (PVDs) are people who had no symptoms at the time of donating blood through a blood collection agency, but whose blood tested positive when screened for the presence of West Nile virus. Some PVDs develop symptoms after donation.

Please refer to state health department web sites for further details regarding state case totals.