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West Nile Virus Disease Cases* and Presumptive Viremic Blood Donors by State – United States, 2016 (as of September 20, 2016)

State Neuroinvasive
Disease Cases†
Non–neuroinvasive
Disease Cases
Total
cases
Deaths Presumptive
viremic blood
donors‡
Alabama 3 2 5 0 1
Arizona 27 13 40 2 7
Arkansas 2 1 3 0 0
California 106 49 155 3 27
Colorado 37 61 98 3 6
Connecticut 1 0 1 0 0
District of Columbia 1 0 1 0 0
Florida 4 0 4 0 0
Georgia 1 0 1 0 2
Idaho 2 4 6 0 1
Illinois 0 30 30 2 3
Indiana 4 2 6 1 0
Iowa 3 3 6 0 2
Kansas 8 8 16 1 2
Louisiana 16 8 24 0 4
Massachusetts 2 0 2 0 0
Maryland 2 0 2 0 0
Michigan 22 0 22 0 5
Minnesota 8 16 24 1 10
Mississippi 15 6 21 1 6
Missouri 1 1 2 0 0
Montana 2 3 5 1 1
Nebraska 16 34 50 0 22
Nevada 7 0 7 0 0
New Jersey 4 0 4 0 0
New Mexico 2 0 2 1 0
New York 1 0 1 0 0
North Dakota 1 10 11 0 0
Ohio 6 2 8 1 2
Oklahoma 6 7 13 0 4
Oregon 2 1 3 0 1
Pennsylvania 3 4 7 0 3
South Dakota 23 97 120 1 15
Tennessee 2 2 4 1 0
Texas 91 50 141 3 19
Utah 4 4 8 2 0
Vermont 2 0 2 0 0
Virginia 1 0 1 0 1
Washington 7 1 8 1 0
Wisconsin 2 1 3 0 0
Wyoming 1 0 1 0 0
Totals 448 420 868 25 144

*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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