Traveler's Diarrhea (TD) Automated Process

Inclusion Criteria: * Healthy adult males or females, 18-64 years of age (inclusive) at the planned start of the study (first vaccination on Day 0) * Signed Informed Consent * Women who are not post-menopausal or surgically sterile must have a negative serum/urine pregnancy test at screening and within 24 hours of each vaccination with understanding (through Informed Consent process) to not become pregnant and to employ an effective form of birth control for the duration of the study. Acceptable forms of birth control are: abstinence, hormonal contraceptives (oral, injectable, implant, patch, ring), double-barrier contraceptives (condom or diaphragm, with spermicide), and IUD. Exclusion Criteria: * Laboratory abnormalities \[as determined by the Toxicity Grading Scale (grade 1 4)\] at laboratory screening * Abnormalities at physical examination \[as determined by the Toxicity Grading Scale (grade 1-4)\] * Known allergies to any component of the vaccine * Known allergies to adhesives * Participated in research involving investigational product within 30 days before planned date of first vaccination or within 90 days after first vaccination * Donated blood or blood products such as plasma within 30 days prior to planned date of first vaccination or within 90 days after first vaccination * Ever received investigational enterotoxigenic E. coli, LT, or LT (R192G) or NasalFlu, Berna Biotech, Ltd * Ever received cholera toxin or vaccine (e.g. Orochol™, Dukoral™) * History of diar…