Picture 4
This shows Staphylococcus aureus in Gram stain. Notice how it resembles 'bunches of grapes'.
Staphylococcus aureus
Morphology: colonies golden yellow in colour, Gram positive cocci arranged in 'grapelike' clusters, beta-hemolytic, coagulase positive, catalase positive
Route of transmission: fomites
Investigations: Gram stain and culture
Diseases:
Superficial skin infections, eg. folliculitis, furuncle
Staphylococcal Scalded Skin Syndrome especially in infants and children
Septicemia and endocarditis
Pneumonia
Treatment: Vancomycin (for MRSA), Cloxacillin and Flucloxacillin (for non-methicillin resistant Staphylococcus aureus)