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West Nile Virus Disease Cases* and Presumptive Viremic Blood Donors by State – United States, 2013 (as of January 7, 2014)

State Neuroinvasive Disease Cases† Non–neuroinvasive Disease Cases Total cases Deaths Presumptive viremic blood donors‡
Totals 1,205 1,169 2,374 114 420
Alabama 0 7 7 0 1
Arizona 31 10 41 5 6
Arkansas 16 2 18 1 6
California 233 135 368 15 63
Colorado 89 229 318 7 23
Connecticut 1 3 4 0 1
Delaware 3 0 3 0 0
District of Columbia 0 1 1 0 0
Florida 4 1 5 0 0
Georgia 2 4 6 0 3
Idaho 14 26 40 1 12
Illinois 85 31 116 11 21
Indiana 18 4 22 2 3
Iowa 24 20 44 0 12
Kansas 31 54 85 7 30
Kentucky 1 2 3 1 0
Louisiana 34 20 54 4 5
Maryland 11 5 16 1 1
Massachusetts 7 1 8 0 1
Michigan 24 12 36 2 4
Minnesota 31 48 79 3 26
Mississippi 27 18 45 5 5
Missouri 24 5 29 1 8
Montana 10 28 38 2 5
Nebraska 53 168 221 5 38
Nevada 8 3 11 1 5
New Hampshire 1 0 1 0 0
New Jersey 9 2 11 2 3
New Mexico 24 14 38 3 2
New York 13 13 26 0 9
North Carolina 3 0 3 1 0
North Dakota 60 63 123 2 15
Ohio 20 4 24 3 6
Oklahoma 59 26 85 7 18
Oregon 1 1 2 0 0
Pennsylvania 6 5 11 1 0
Rhode Island 1 0 1 0 0
South Carolina 3 4 7 0 2
South Dakota 57 92 149 3 26
Tennessee 17 7 24 2 0
Texas 105 67 172 13 39
Utah 4 3 7 0 5
Vermont 1 1 2 0 0
Virginia 6 0 6 0 0
Washington 0 1 1 0 1
Wisconsin 18 4 22 2 10
Wyoming 16 25 41 1 5

*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; of the 420 PVDs, 68 (16%) developed clinical illness.

Please refer to state health department web sites for further details regarding state case totals.

 
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