Staphylococcus aureus

Last reviewed 01/2018

Staph. aureus:

  • is the most virulent staphylococcus species in man
  • occurs in the anterior nares in 50-75% of healthy people
  • found less frequently in the skin, especially the axilla and perineum, and the mucous membranes of the throat and gut
  • may be disseminated from these sites to other parts of the body

Staph. aureus is ubiquitous and always present in the hospital environment.

It classically forms cream-coloured or golden yellow colonies when cultured.