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 November 15, 2022)

 

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 37 13 50 4 6
Arkansas 2 2 4 0 0
California 94 26 120 8 17
Colorado 127 74 201 17 16
Connecticut 7 0 7 0 0
Delaware 1 0 1 0 0
Florida 3 0 3 0 0
Georgia 9 2 11 1 4
Idaho 1 2 3 0 0
Illinois 22 7 29 4 1
Indiana 4 0 4 0 1
Iowa 8 1 9 0 9
Kansas 6 8 14 0 6
Kentucky 1 2 3 1 0
Louisiana 37 7 44 6 5
Maryland 3 1 4 1 1
Massachusetts 5 1 6 1 0
Minnesota 6 2 8 1 0
Mississippi 3 1 4 1 0
Missouri 11 2 13 2 0
Nebraska 35 28 63 3 23
New Jersey 9 6 15 0 2
New Mexico 8 3 11 1 3
New York 64 11 75 2 6
North Carolina 8 0 8 1 7
North Dakota 8 18 26 0 10
Ohio 5 2 7 1 2
Oklahoma 2 0 2 1 1
Oregon 0 4 4 0 0
Pennsylvania 24 12 36 2 6
Rhode Island 1 0 1 0 0
South Carolina 7 1 8 1 9
South Dakota 35 30 65 1 12
Tennessee 2 2 4 0 1
Texas 22 2 24 5 11
Utah 5 0 5 0 0
Virginia 5 0 5 1 0
Washington 3 1 4 0 1
Wisconsin 4 0 4 0 0
Wyoming 2 1 3 0 0
Totals 639 274 913 66 161

*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.