2005 West Nile Virus
Viremic Blood Donor
Activity in the United States
(Reported to CDC as of February 14, 2006)*

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A total of 399 presumptively viremic blood donors (PVD) have been reported to CDC's ArboNET surveillance program through state and local health departments as of February 14, 2006. A PVD is a person whose blood tested positive in preliminary tests when screened for the presence of West Nile virus. PVDs are followed up by the blood agency to verify their infection with additional tests. Some PVDs do go on to develop symptoms after donation, at which point they would be included in the count of human disease cases by their state.
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WNV Surveillance Maps detailing Viremic Blood Donor
Activity in the United States additional years:
       |2004|