a picture of grinning salmonella enterica cartoon concept

bacillus bacteria bacterial bacteriology bacterium beam biological biology cartoon cell character cute division emoticon emotion enterobacteria enterobacterium enterotoxins expression flagellum funny grin grinning happiness happy illustration joyful laugh mascot medicine microbe microbial microbiological microbiology microorganism mug pathogen pathogenic pathological pathology poisoning salmonella salmonellosis shine smile smirk sneer transmission vector