2 Clinical Trials for Various Conditions
The purpose of the study is to determine the efficacy of a vaccine against enterotoxigenic E. coli (ETEC)-caused diarrhea.
The purpose of this study is to determine the safe and optimal dose and regimen (fasting duration) for administering the challenge ETEC strain B7A, a CS6 expressing ETEC strain. Additionally, an assessment of homologous protection following rechallenge with B7A will be assessed.