West Nile Virus Disease Cases by State 2022

West Nile Virus Disease Cases* and Presumptive Viremic Blood Donors by State – United States, 2022 (as of January 10, 2023)

 

West Nile Virus Disease Cases and Presumptive Viremic Blood Donors by State – United States, 2022
State Neuroinvasive
Disease Cases†
Non–neuroinvasive
Disease Cases
Total
cases
Deaths Presumptive viremic
blood donors‡
Alabama 3 2 5 0 1
Arizona 47 15 62 4 6
Arkansas 2 3 5 1 0
California 129 39 168 11 20
Colorado 129 75 204 18 16
Connecticut 7 0 7 0 0
Delaware 1 0 1 0 0
District of Columbia 1 0 1 0 0
Florida 5 0 5 0 0
Georgia 15 3 18 2 4
Idaho 1 2 3 0 0
Illinois 23 7 30 4 2
Indiana 6 0 6 0 2
Iowa 8 1 9 0 11
Kansas 6 8 14 0 7
Kentucky 2 2 4 1 0
Louisiana 40 7 47 6 5
Maryland 3 1 4 1 1
Massachusetts 7 1 8 1 0
Minnesota 15 4 19 1 2
Mississippi 4 1 5 1 0
Missouri 11 2 13 2 0
Nebraska 37 27 64 4 24
New Jersey 12 7 19 3 2
New Mexico 8 3 11 1 3
New York 66 13 79 3 7
North Carolina 10 0 10 1 7
North Dakota 8 18 26 0 10
Ohio 5 2 7 1 2
Oklahoma 2 0 2 1 1
Oregon 0 5 5 0 0
Pennsylvania 26 8 34 2 6
Rhode Island 1 0 1 0 0
South Carolina 9 1 10 1 9
South Dakota 35 31 66 1 12
Tennessee 2 3 5 0 1
Texas 31 5 36 7 12
Utah 5 0 5 0 0
Virginia 5 0 5 1 0
Washington 3 1 4 0 1
Wisconsin 5 0 5 0 1
Wyoming 2 1 3 0 0
Totals 737 298 1,035 79 175

*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.