3.3. Biofilm Degradation and Killing of Bacteria in Biofilms by PhagesColonization of wounds, surgically implanted materials or catheters by biofilm-producing bacteria such as P. aeruginosa and S. aureus is a common complication for modern surgical and orthopedic practices. Biofilm formation helps bacteria to evade the patient immune system and enhances antibiotic resistance. A biofilm is a comm..