This study will last 1 year. There will be 12 study visits; a physical exam, medication history, and risk reduction/pregnancy prevention compliance counseling will occur at all visits. Urine and blood collection will occur at selected visits. Participants will be asked to complete a social impact assessment at Months 2, 6, and 12 and an outside testing and belief questionnaire at Months 6 and 12. Participants will be asked to record their temperature and other side effects in a symptom log on the day of each vaccination and for 3 days thereafter to report any side effects.