<qa>  What is the final determination of permissibility for clinical donation?4. Individuals with evidence of infection with transfusion-transmittable agents Hepatitis B and C Viruses HBV, HCV; Human Immunodeficiency Virus HIV Omega, Human TLymphotrophic Virus HTLV III, West Nile Virus WNV and Trypanosoma cruzi will not be excluded from study participation. However, Donor-Subjects with evidence of HIV infection will only be able to donate cells for research. Donors with a history of HBV or HCV infection will be able to donate for research, and may be eligible to donate for therapeutic administration. However, determination of permissibility for clinical donation will require a hepatology consultation and the consent of the intended recipient after discussion of the riskbenefit of the donor cell product and the possibilityconsequences of transmission. The PIDesignee will make the final determination of permissibility of donation for recipient cell therapy. 