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; Guidance for Industry; Availability

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The Food and Drug Administration (FDA or Agency) is announcing the availability of a 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); Guidance for Industry." The 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). Specifically, the guidance provides recommendations regarding 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 The guidance announced in this notice finalizes the draft guidance of the same title dated December 2015. This guidance supplements the donor screening recommendations for WNV (which will remain in place) in sections IV.E. (recommendations 15 and 16) and IV.F. (recommendation 5), and supersedes the "West Nile Virus (WNV)" section in Appendix 6 of the guidance entitled "Guidance for Industry: Eligibility Determination for Donors of