cartoon character of haemophilus ducreyi having a megaphone

bacillus bullhorn cartoon chains character coccobacillus country cute dermatology developing disease ducreyi education emoticon emotion expression fastidious funny genital haemophilus happy illustration infection isolated loudhailer loudspeaker mascot medical medicine megaphone pasteurellaceae research rod science scientific scream screaming shaped shout smile speaker std sti streptobacillus transmitted treatment vector yell