Western Equine Encephalitis Vaccine, Inactivated

Inclusion Criteria: * 18-55 years of age * In good health as determined by pertinent medical history, brief physical exam, vital signs, and clinical safety laboratory evaluations * Female: has a negative urine pregnancy test and is willing to use reliable form of contraception for the study duration * Negative HIV antibody screen, seronegative for HBsAg and Hepatitis C antibody * WEE, EEE, VEE, and CHIK PRNT80\<1:10 * Ability to comprehend abnd a willingness to sign an informed consent, which includes the HIPAA and a separate HIV consent form * Be willing to comply with all follow-up visits, testing, and AE reporting Exclusion Criteria: * Participant in the USAMRIID SIP * Receipt of any other vaccine or investigational; drug within 30 days prior to study entry * Anticipates receipt of other vaccines for the duration of the study (influenza vaccination will be permitted but not within 28 days of WEE vaccination * Acute of chronic medical conditions, medications, or dietary supplements that, in the PI's opinion, would impair the subject's ability to respond to vaccination * Hypersensitivity to any vaccine * Allergic to any vaccine component: Human serum albumin, Neomycin * Receipt of or anticipates receipt of blood products during the study * Female: Pregnant or breastfeeding * Clinically significant abnormal laboratory tests (generally greater than or equl to 2 times the upper limit of normal as determined by the PI)