a picture of grinning azorhizobium caulinodans cartoon concept

anthracis azorhizobium bacilli bacillus bacteria bacterial bacterium beam cartoon caulinodans character cholera cocci collection cute disease emoticon emotion endospores expression food funny gonorrhea grin grinning happiness happy helicobacter human illustration infection joyful laugh mascot meningitis microbe mug peritonitis pneumonia poisoning salmonella salmonellosis shine smile smirk sneer streptococci typhi vector