caricature picture of bordetella pertussis exercising with barbells on gym

athlete bacterial bacteriology bacterium barbell betaproteobacteria bordetella cartoon cell cells character contagious cute design diet disease emoticon emotion epithelium expression fitness funny germ germs happy health healthy icon illness illustration infection lung mascot microbe microbiology microorganisms pertussis repair research science sick sickness smile sport strength strong style trachea tracheal vector