Use of Nucleic Acid Tests To Reduce the Risk of Transmission of West Nile Virus From Living Donors of Human Cells, Tissues, and Cellular and Tissue-Based Products; Draft Guidance for Industry; Availability

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The Food and Drug Administration (FDA or Agency) is announcing the availability of a draft document entitled "Use of Nucleic Acid Tests to Reduce the Risk of Transmission of West Nile Virus from Living Donors of Human Cells, Tissues, and Cellular and Tissue-Based Products (HCT/Ps); Draft Guidance for Industry." The draft guidance document provides establishments that make donor eligibility determinations for donors of HCT/Ps with recommendations for testing living donors for West Nile Virus (WNV). The draft guidance recommends the use of an FDA- licensed nucleic acid test (NAT) to test living donors of HCT/Ps for evidence of infection with WNV. The guidance does not provide recommendations regarding testing of cadaveric HCT/P donors for WNV. The draft guidance replaces the draft guidance entitled "Draft Guidance for Industry: Use of Nucleic Acid Tests to Reduce the Risk of Transmission of West Nile Virus from Donors of Human Cells, Tissues, and Cellular and Tissue-Based Products (HCT/Ps)" dated October 2013. The donor testing recommendations in the draft guidance, when finalized, will supplement the donor screening recommendations for WNV (which will remain in place) and supersede