bordetella pertussis cartoon character with sneaky face

bacterial bacteriology bacterium betaproteobacteria bordetella cartoon cell cells character contagious cute design disease emoticon emotion epithelium expression funny germ germs glow grin happiness happy icon illness illustration infection laugh lung mascot microbe microbiology microorganisms mug pertussis research science shine sick sickness simper smile smiley smirk smirking style trachea tracheal vector