- Patients with human immunodeficiency virus (HIV) infection are eligible; patients with HIV infection must meet the following: No evidence of co-infection with hepatitis B or C; cluster of differentiation (CD)4+ count >= 400/mm; no evidence of resistant strains of HIV; on anti-HIV therapy with an HIV viral load < 50 copies HIV ribonucleic acid (RNA)/mL; no history of acquired immune deficiency syndrome (AIDS) defining conditions