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West Nile Virus Disease Cases by State 2018

West Nile Virus Disease Cases* and Presumptive Viremic Blood Donors by State – United States, 2018 (as of November 13, 2018)

West Nile Virus Disease Cases and Presumptive Viremic Blood Donors by State – United States, 2018 (as of November 13, 2018)
State Neuroinvasive
Disease Cases†
Non–neuroinvasive
Disease Cases
Total
cases
Deaths Presumptive viremic
blood donors‡
Alabama 15 13 28 0 3
Alaska 1 0 1 0 0
Arizona 20 0 20 2 0
Arkansas 5 2 7 0 0
California 119 51 170 7 24
Colorado 50 44 94 2 4
Connecticut 18 5 23 1 0
Delaware 6 2 8 2 1
District of Columbia 7 6 13 0 0
Florida 15 4 19 1 6
Georgia 25 6 31 2 1
Idaho 10 6 16 1 0
Illinois 95 45 140 10 12
Indiana 22 8 30 3 13
Iowa 57 43 100 5 8
Kansas 24 9 33 5 2
Kentucky 9 3 12 0 0
Louisiana 42 22 64 3 11
Maine 1 1 2 0 0
Maryland 33 8 41 0 4
Massachusetts 39 6 45 1 0
Michigan 79 21 100 8 12
Minnesota 18 22 40 0 24
Mississippi 30 17 47 0 2
Missouri 16 5 21 3 4
Montana 23 22 45 1 5
Nebraska 118 121 239 11 46
Nevada 3 5 8 0 2
New Jersey 42 17 59 3 6
New Mexico 4 1 5 1 2
New York 62 17 79 4 7
North Carolina 6 0 6 1 0
North Dakota 59 142 201 2 33
Ohio 42 20 62 5 16
Oklahoma 13 5 18 1 6
Oregon 2 0 2 0 0
Pennsylvania 78 24 102 6 20
Rhode Island 0 1 1 0 0
South Carolina 11 3 14 1 4
South Dakota 47 121 168 4 19
Tennessee 10 1 11 4 1
Texas 81 28 109 2 23
Utah 7 4 11 1 0
Virginia 37 10 47 5 2
Washington 1 2 3 0 2
Wisconsin 23 1 24 1 5
Wyoming 3 1 4 1 0
Totals 1,428 895 2,323 110 330

*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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