Investigation of V520 in a HIV Vaccine Dose Refinement Study (V520-027)(TERMINATED)

Inclusion Criteria: * Demonstrates good general health * Human Immunodeficiency Virus (HIV), Hepatitis B surface Antigen (HBsAg), and Hepatitis C (HCV) seronegative * Low risk of acquiring HIV infection * ALT lab value within normal range Exclusion Criteria: * Previously received an investigational HIV vaccine * Has a known or suspected impairment of immunologic function * Has a clinically significant chronic medical condition that is considered progressive * Has a major psychiatric illness * Has any history of malignancy, with the exception of basal cell or squamous cell skin cancer * Weighs less than 105 lbs. * Has a recent (within two years) history of chronic alcohol abuse * Has a contraindication to intramuscular (IM) injection, such as anticoagulant therapy or thrombocytopenia * Female is pregnant or breast feeding, or expecting to conceive or donate eggs during the study * Male subject is planning to impregnate or provide sperm donation during the study