a picture of grinning bordetela pertussis cartoon concept

bacteria bacterium beam biochemical biological biology biotechnology bordetela cartoon character coliform cute emoticon emotion expression fecal feces funny grin grinning happiness happy illness illustration infection intestine joyful laboratory laugh magnification mascot medical micro microbial microbiology microbiota microorganism microscope mug organism pathogen pertussis probiotic science shine smile smirk sneer vector