staphylococcus aureus mascot concept smiling with clock

acquired alarm bacteria bacterial bacteriology bacterium biological biology cartoon character clock cute dangerous disease emoticon emotion expression funny happy hour hourglass illustration mascot methicillin microbe microbiological microbiology micrograph microorganism mrsa organism pathogen pathogenic pathology protist resistant sick smile staphylococcus staphylocossu ticker time timepiece timer transmission vector virus wait waiting