Bacterial skin and wound infections
Many bacterias are associated with wound infection. The most common bacteria of the skin are staphylococci, and various streptococci, Sarcina spp, anaerobic Diphtheroids, gram-negative rods and others. microorganisms enter through the skin, multiply there and then produce diseases in the skin. For example those are impetigo, abscess and cellulitis are caused by Staphylococcus aureus and Streptococcus pyogenes.
Wounds may occur from Surgery, trauma and injections, so these wound infections occur mainly after the surgical procedures Wound sepsis is the result of cross-infection from human sources and from other outside sources.