Like Pseudomonas, S. aureus can form biofilms. What are the clinical implications if S. aureus growing in a biofilm is less susceptible, not just to penicillin, but also to vancomycin? Consider a...

Like Pseudomonas, S. aureus can form biofilms. What are the clinical implications if S. aureus growing in a biofilm is less susceptible, not just to penicillin, but also to vancomycin?

Consider a bacterium that is ingested via contaminated water and locally infects the small intestine. What types of virulence factors would be most useful to this bacterium?