5. Oral temperature is less than 100.4F. 6. Pulse is 50 to 115 bpm, inclusive. 7. Systolic blood pressure is 85 to 150 mm Hg, inclusive. 8. Diastolic blood pressure is 55 to 95 mm Hg, inclusive. 9. Erythrocyte sedimentation rate (ESR) is less than 30 mm per hour. 10. Women of childbearing potential 2 must use an acceptable contraception method 3 from 30 days before first study vaccination until 60 days after last study vaccination a. Not sterilized via tubal ligation, bilateral oophorectomy, hysterectomy or successful Essure® placement (permanent, non-surgical, non-hormonal sterilization) with documented radiological confirmation test at least 90 days after the procedure, and still menstruating or <1 year of the last menses if menopausal. b. Includes, but is not limited to, non-male sexual relationships abstinence from sexual intercourse with a male partner, monogamous relationship with vasectomized partner who has been vasectomized for 180 days or more prior to the subject receiving the first study vaccination, barrier methods such as condoms or diaphragms with spermicide or foam, effective intrauterine devices, NuvaRing®, and licensed hormonal methods such as implants, injectables or oral contraceptives ("the pill").