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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 January 9, 2018)

West Nile Virus Disease Cases and Presumptive Viremic Blood Donors by State – United States, 2017 (as of December 19, 2017)
State Neuroinvasive
Disease Cases†
Non–neuroinvasive
Disease Cases
Total
cases
Deaths Presumptive viremic
blood donors‡
Alabama 38 18 56 2 11
Arizona 91 18 109 8 16
Arkansas 12 3 15 3 5
California 376 133 509 28 47
Colorado 29 39 68 4 4
Connecticut 2 1 3 0 0
Delaware 0 1 1 0 0
District of Columbia 1 3 4 0 0
Florida 4 0 4 0 0
Georgia 42 5 47 7 14
Idaho 14 10 24 0 0
Illinois 68 19 87 5 0
Indiana 16 10 26 4 6
Iowa 10 2 12 2 5
Kansas 10 15 25 0 4
Kentucky 9 1 10 1 0
Louisiana 36 11 47 3 4
Maryland 4 1 5 0 0
Massachusetts 5 1 6 0 1
Michigan 32 8 40 1 8
Minnesota 9 14 23 1 19
Mississippi 46 17 63 2 3
Missouri 15 1 16 1 1
Montana 3 8 11 0 3
Nebraska 20 48 68 2 18
Nevada 24 29 53 2 3
New Hampshire 0 1 1 0 0
New Jersey 6 2 8 2 0
New Mexico 23 10 33 1 2
New York 42 14 56 4 7
North Carolina 7 0 7 2 0
North Dakota 20 42 62 2 1
Ohio 23 11 34 4 8
Oklahoma 28 13 41 4 6
Oregon 3 4 7 1 2
Pennsylvania 14 6 20 3 2
Rhode Island 1 1 2 0 1
South Carolina 15 2 17 2 5
South Dakota 27 46 73 4 2
Tennessee 19 10 29 1 2
Texas 85 48 133 5 14
Utah 39 23 62 5 6
Vermont 2 1 3 0 1
Virginia 12 1 13 1 4
Washington 10 3 13 0 1
West Virginia 1 0 1 0 0
Wisconsin 42 6 48 4 11
Wyoming 4 3 7 0 0
Totals 1,339 663 2,002 121 247

*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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