47
Participants
Start Date
February 28, 2006
Primary Completion Date
January 31, 2007
Study Completion Date
January 31, 2007
Ty800
Live attenuated Ty800 S typhi oral vaccine is co-administered with a sodium bicarbonate buffer solution. Dosages: 5 X 10\^7 cfu, 5 X 10\^8 cfu, and 5 X 10\^9 cfu.
Placebo
150 mL of the prepared sodium bicarbonate buffer solution. Placebo will look and taste essentially like the study product.
Cincinnati Children's Hospital Medical Center, Cincinnati
National Institute of Allergy and Infectious Diseases (NIAID)
NIH