happy azorhizobium caulinodans mascot concept with brown envelope

anthracis azorhizobium bacilli bacillus bacteria bacterial bacterium cartoon caulinodans character cholera cocci collection courier cute disease distribution emoticon emotion endospores envelope expression food funny gonorrhea happy helicobacter human illustration infection letter mail mailing mascot meningitis microbe peritonitis pneumonia poisoning post postman salmonella salmonellosis send shipment smile streptococci typhi vector