cartoon drawing of bordetella pertussis showing angry face

angry annoyed bacterial bacteriology bacterium bad betaproteobacteria bordetella cartoon cell cells character contagious cry cute design disease emoticon emotion epithelium expression expressions funny germ germs hands happy hate icon illness illustration infection jump lung mascot microbe microbiology microorganisms mood out pertussis raise research resentful science scream sick sickness smile style trachea tracheal vector