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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 July 10, 2018)

West Nile Virus Disease Cases and Presumptive Viremic Blood Donors by State – United States, 2018 (as of July 10, 2018)
State Neuroinvasive
Disease Cases†
Non–neuroinvasive
Disease Cases
Total
cases
Deaths Presumptive viremic
blood donors‡
Alabama 0 1 1 0 1
California 5 4 9 0 0
New York 1 0 1 0 0
North Dakota 0 2 2 0 0
Oklahoma 1 0 1 0 0
South Dakota 0 0 0 0 1
Totals 7 7 14 0 2

*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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