Blood Donor CVD 9000

Inclusion Criteria: * 1\. Age 18 years to 64 years at the time of enrollment * 2\. Good general health as determined by a screening evaluation within 28 days before blood donation or vaccination * 3\. Provides written informed consent prior to initiation of any study procedures Exclusion Criteria: * 1\. History of any of the following medical conditions: * Diabetes * Cancer in past 5 years (except for basal cell carcinoma of the skin and cervical carcinoma in situ) * Heart disease (e.g., hospitalization for a heart attack, coronary artery bypass graft, arrhythmia, or syncope, within past 5 years. Current symptoms of heart disease, such as dyspnea, angina, or orthopnea) * Recurrent infections (e.g., more than 3 hospitalizations for invasive bacterial infections such as pneumonia or meningitis) * Current drug or alcohol abuse * Active ulcer disease or ongoing intestinal condition * Treatment for anemia in last 6 months * Treatment with anti-malarial drugs within ten days prior to study vaccination * Treatment with antibiotics within 14 days prior to study vaccination * Immunodeficiency or immunosuppression from illness or treatment * 2\. Close contact within 7 days following study vaccination with a person who has an immunodeficiency or immunosuppression from illness or treatment * 3\. History of cholera infection or cholera vaccination * 4\. Any of the following complete blood count (CBC) abnormalities during screening: * white blood cells (WBC) \<0.…