a picture of grinning staphylococcus aureus cartoon concept

acquired bacteria bacterial bacteriology bacterium beam biological biology cartoon character cute dangerous disease emoticon emotion expression funny grin grinning happiness happy illustration joyful laugh mascot methicillin microbe microbiological microbiology micrograph microorganism mrsa mug organism pathogen pathogenic pathology protist resistant shine sick smile smirk sneer staphylococcus staphylocossu transmission vector virus