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West Nile Virus Disease Cases by State

West Nile Virus Disease Cases* and Presumptive Viremic Blood Donors by State – United States, 2017 (as of October 17, 2017)

State Neuroinvasive
Disease Cases”
Non–neuroinvasive
Disease Cases
Total
cases
Deaths Presumptive viremic
blood donors‡
Alabama 29 11 40 2 4
Arizona 69 16 85 6 16
Arkansas 11 3 14 3 6
California 250 65 315 20 32
Colorado 25 35 60 4 4
Connecticut 2 1 3 0 0
Delaware 0 1 1 0 0
District of Columbia 0 1 1 0 0
Florida 1 0 1 0 1
Georgia 34 5 39 7 7
Idaho 6 5 11 0 0
Illinois 49 19 68 2 0
Indiana 12 4 16 3 6
Iowa 8 2 10 2 5
Kansas 7 12 19 0 3
Kentucky 5 1 6 0 0
Louisiana 35 9 44 3 2
Maryland 4 0 4 0 0
Massachusetts 1 0 1 0 0
Michigan 30 8 38 0 8
Minnesota 9 14 23 1 19
Mississippi 44 16 60 2 3
Missouri 13 0 13 0 0
Montana 2 8 10 0 3
Nebraska 19 42 61 1 17
Nevada 22 28 50 2 2
New Jersey 5 1 6 1 0
New Mexico 17 9 26 1 2
New York 28 8 36 3 3
North Carolina 1 0 1 0 0
North Dakota 18 43 61 2 1
Ohio 15 8 23 2 8
Oklahoma 19 11 30 2 6
Oregon 2 4 6 1 2
Pennsylvania 12 5 17 2 1
Rhode Island 0 1 1 0 1
South Carolina 12 1 13 1 3
South Dakota 26 44 70 4 2
Tennessee 15 7 22 1 2
Texas 66 41 107 3 13
Utah 32 21 53 3 6
Vermont 1 0 1 0 1
Virginia 9 1 10 0 3
Washington 8 1 9 0 1
West Virginia 1 0 1 0 0
Wisconsin 13 2 15 2 9
Wyoming 0 1 1 0 0
Totals 987 515 1,502 86 202

*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.

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