Volume 12, Number 3—March 2006
Research
West Nile Virus Infections Projected from Blood Donor Screening Data, United States, 2003
Figure 1
![Yield of West Nile virus nucleic acid amplification test (NAT) screening of 4,585,573 donations at American Red Cross and America's Blood Centers (constituting ≈95% of US collections) from July 1 to October 31, 2003. A total of 944 confirmed viremic donations were identified, including 770 that were detectable by minipool-NAT and 174 detectable only by individual donation NAT. MP, minipool; ID, individual donation.](/eid/images/05-1287-F1.gif)
Figure 1. Yield of West Nile virus nucleic acid amplification test (NAT) screening of 4,585,573 donations at American Red Cross and America's Blood Centers (constituting ≈95% of US collections) from July 1 to October 31, 2003. A total of 944 confirmed viremic donations were identified, including 770 that were detectable by minipool-NAT and 174 detectable only by individual donation NAT. MP, minipool; ID, individual donation.
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