haemophilus ducreyi smart plumber cartoon character with tool

bacillus cartoon chains chancroid character coccobacillus corona craftsman cute dermatology developing disease ducreyi education emoticon emotion expression fastidious funny genital haemophilus handyman happy illustration infection isolated mascot mechanic medical medicine pasteurellaceae plumber plumbing proficient research science scientific shaped smile streptobacillus tools transmitted treatment vector work workman zygot