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 November 5, 2019)

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 2 2 4 0 0
Alaska 0 1 1 0 1
Arizona 134 38 172 17 23
Arkansas 6 1 7 1 1
California 113 64 177 5 16
Colorado 47 68 115 6 11
Connecticut 1 0 1 0 0
District of Columbia 7 0 7 0 0
Florida 1 0 1 0 1
Georgia 6 4 10 0 2
Idaho 4 6 10 0 6
Illinois 14 6 20 0 0
Indiana 3 0 3 1 0
Iowa 1 4 5 0 1
Kansas 3 3 6 0 2
Kentucky 1 0 1 0 1
Louisiana 11 7 18 2 3
Maryland 2 2 4 0 0
Massachusetts 1 3 4 0 3
Michigan 9 0 9 1 5
Minnesota 1 2 3 0 1
Mississippi 10 3 13 0 1
Missouri 3 0 3 0 0
Montana 3 0 3 0 1
Nebraska 17 11 28 1 3
Nevada 33 11 44 1 5
New Jersey 6 2 8 0 0
New Mexico 29 10 39 4 3
New York 9 0 9 0 1
North Carolina 1 0 1 0 0
North Dakota 2 7 9 0 0
Ohio 2 0 2 1 0
Oklahoma 5 2 7 0 0
Oregon 6 3 9 0 0
Pennsylvania 3 1 4 0 0
South Carolina 1 0 1 0 0
South Dakota 0 10 10 0 0
Tennessee 3 0 3 0 0
Texas 21 7 28 2 4
Utah 14 7 21 1 0
Virginia 2 2 4 0 0
Washington 3 2 5 0 3
Wisconsin 1 1 2 0 1
Wyoming 1 2 3 0 0
Totals 542 292 834 43 99

*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.