What Is Bacterial Biofilm?

What Is Bacterial Biofilm? Both gram-positive and gram-negative bacteria can form biofilms on medical devices, but the most common forms are Enterococcus faecalis, Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus viridans, E. coli, Klebsiella pneumoniae, Proteus mirabilis and Pseudomonas aeruginosa [7]. What bacteria causes biofilm? Both gram-positive and gram-negative bacteria can form biofilms on medical devices, but