A laboratory scene depicting control samples of methicillin-resistant staphylococcus aureus (MRSA) being cultured in petri dishes on tryptic soy agar and blood agar together with an old-style sterilisation alcohol burner and inoculation loop. Also shown are dropper bottles of the four main reagents used during the staining procedure. Two slides are shown with stained smears providing a Gram positive (blue) result. Computer-generated imagery.