cartoon style of staphylococcus aureus showing worried face

acquired afraid aureus bacteria bacterial bacteriology bacterium biological biology cartoon character coloured cute disturbed emoticon emotion expression fearful fears frozen funny happy illustration infection infectious mascot medicine methicillin microbe microbiological microbiology micrograph microorganism mrsa nervous pathogenic pathology replicating resistance scared scary shocked smile spooked staphylococcus staphylocossus superbug transmission vector