Total white blood cells (WBC) < 2x10^9/L (2000/mm^3) White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) >= 3,000/mm^3 White blood cell count (WBC) > 2500 cells/mm^3 White blood cells (WBC) >= 2,500/mm^3 White blood cells (WBC) >= 3000/mm^3 PART I: White blood cell (WBC) >= 2,500 cells/mm^3 PART II: WBC >= 2,500 cells/mm^3 White blood cells (WBC) (> 3000/mm^3) Normal white blood cells (WBC) (> 3000/mm^3) White blood cells (WBC) >= 3000/mm^3 Total white blood cell count (WBC) >= 2,000 cells/mm^3 without growth factors within 1 week of the initiation of treatment White blood cells (WBC) >= 3000/mm^3 White Blood Cell (WBC) ? 2500 cells/mm3 WBC >2500/mm3 White blood cells (WBC) >= 3000/mm^3 within 30 days of enrollment to study White blood cells (WBC) > 3,000 cells/mm^3 White blood cells (WBC) >= 3000/mm^3 White blood cells >= 3000/mm^3 White blood cells (WBC) > 3000/mm^3 White blood cell (WBC) count at randomization less than or equal to (= 2000/mm^3 White blood cell (WBC) >= 3500 cells/mm^3 or >= 3.5 bil/L White blood cells (WBC) > 3000/mm^3 Within 30 days of first vaccination: White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) >= 3,000/mm^3 White blood cell (WBC) >= 3500 cells/mm^3 or >= 3.5 bil/L White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) >= 4,000/mm^3 White blood cells (WBC) >= 4000/mm^3 White blood cells (WBC) >= 4000/mm^3 WBC>3000/mm3 White blood cells (WBC) >= 2,500/mm^3 Peripheral blood leukocyte count (white blood cells [WBC]) < 3000/mm^3. White blood cell (WBC) ? 3500 cells/mm^3 ? 2 weeks White blood cells (WBC) >= 3000/mm^3 WBC ? 2,500/mm^3 White blood cell (WBC) > 2,500 cells/mm^3 White blood cells (WBC) >= 4200/mm^3 White blood cells (WBC) >= 3000/mm^3 within 4 weeks of enrollment White blood cell (WBC) must be > 3500 cells/mm^3 White blood cell (WBC) >= 3500 cells/mm^3 or >= 3.5 bil/L White blood cell (WBC) >= 3500 cells/mm^3 or >= 3.5 bil/L STEP 2 ENROLLMENT AND RANDOMIZATION: white blood cells (WBC) >= 3,000/mm^3 within 3 weeks of study entry WBC at least 3,000/mm3 White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) < 2,500/mm^3 WBC count <25,000 cells/mm3 (25 x 109/L) White blood cells (WBC) >= 2000/mm^3 White blood cells (WBC) >= 3000/mm^3 DONOR: white blood cells (WBC) 4.0-10.0 x 10^3/mm^3 White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) (> 3000/mm^3) White blood cell (WBC) count >= 3000 cells/mm^3 White blood cell (WBC) count >= 3000 cells/mm^3 White blood cells (WBC) >= 2,000 cells/mm^3 White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) >= 3000/mm^3 White blood cells (WBC) >= 3000/mm^3