staphylococcus aureus.

agar air aureus background bacteria bacterial bacterium belongs biology biotechnology black blood cell coccus coccusbeta colony color culture danger diagnostic disc family fecal food grampositive gramvariable growth haemolysis health healthcare hygiene isolate isolated isolation lab laboratory media medical medicine medium micro microbe microbiology micrococcaceae nonmotile pathogen pathogens petri plate plates red research risk safety salmonela saprotrophic science scientific shigella staphylococcus streak test treat urine variable vibrio yellow