Morphology: Gram-positive cocci in grape-like clusters
Habitat: Commonly carried in the lining of the nose of healthy humans (especially health care workers), without causing infection
Disease or illness: MRSA causes a variety of mild to severe infections, especially in hospitalized patients
Who is at risk: Hospitalized patients and especially people with a weak immune system who are not able to fight infection
Avoidance techniques: Hand washing; Healthcare workers should practice good infection prevention techniques.
Warning: Most antibiotics are not effective for this bacteria!