Helicobacter pylori proteins useful for vaccines and diagnostics

摘要

This invention provides polypeptides of Helicobacter Pylori cytotoxin associated immunodominant (CAI) antigen. The invention also provides prophylactic and therapeutic vaccines comprising polypeptides of Helicobacter pylori CAI antigen, and methods for preparation. The invention also provides methods of treatment of Helicobacter pylori infection using these vaccines.