he C perfringens toxin is a solute protein that is not actively made in the cells it affects, and C perfringens bacteria never gets inside host cells. nevertheless, T cells would play an important role producing an immune response that could prevent illness and death from this infection. What type of T cells would be most important and What important stimulus would they provide that might make the difference in an injection vaccine being able to protect against C.perfringens-based food-poisoning?