Total lymphocyte count >= 0.5 x 10^9/L Absolute lymphocyte count > 500/ mcL Patients with a peripheral blood total lymphocyte count of higher than 25,000/mm3 may not be enrolled. Absolute lymphocyte count >= 500/mcL, within 16 days of starting therapy CD4 lymphocyte count or other T lymphocyte subset count will not be used to determine eligibility Lymphocyte count >= 0.5 × 10^9/L. Lymphocyte count >= 0.5 x 10^9/L Lymphocyte count >= 0.5 x 10^9/L (in absence of blood transfusion). Absolute lymphocyte count >= 800/mcL Lymphocyte count > 1,000/mcL Within 30 days of first vaccination: Lymphocyte count >= 800/mm^3 Absolute lymphocyte count >= 500/mcl Lymphocyte count ? 0.5 x 109/L (500/µL) Lymphocyte count >= 400/mm^3 Absolute lymphocyte count >= 800/mcL Lymphocyte count ? 500/mm3 Lymphocyte count ? 300/µL Within 14 days of enrollment: Lymphocyte count >= 300/mm^3 Lymphocyte count >= 400/mm^3 Lymphocyte count greater than or equal to 700/mcL Lymphocyte count less than or equal to 4,000/mm^3 Lymphocyte count 500/mL Lymphocyte count >= 300/mcL Lymphocyte count <1000/µL, Lymphocyte count ? 0.8 x 103 cells/µL Lymphocyte count ? 500/mm3 CD4 lymphocyte count is highly encouraged Absolute lymphocyte count >= 500/mcL Patients must have normal bone marrow function, with a baseline total lymphocyte count >= 1000 Lymphocyte count >= 800/mm^3 within 90 days of enrollment