You Describe to Jay the Initial Events That Must Have

You describe to Jay the initial events that must have occurred in order for him to become ill. Which of the following statements is FALSE?

A) All pathogens must inject molecules into the host cell that induce a specific change in those cells; this is performed via structures called injectisomes.
B) Following adhesion, the pathogen must colonize the host, growing on the host cell surface.
C) Pathogens must adhere to host cells to initiate infection; bacteria use adhesins to attach to receptors on host cells.
D) In order to colonize, a pathogen must often compete with the normal microbiota, prevent binding of secretory IgA, and obtain iron.
E) All of these statements are correct.