a picture of grinning bacteria neisseria cartoon concept

bacteri bacteria bacterial bacterium beam biology cartoon character cocci cute digital diplococci disease emoticon emotion expression funny generated gonorrhoeae grin grinning happiness happy illustration isolated joyful laugh magnification mascot meningitidis meningitis meningococcal meningococcus microbiology model mug neisseria objects pathogen pathogenic shape shaped shine smile smirk sneer surface vector