gonococcus icon, outline style

anatomy bacteria bacterial bacterium biology black care cocci digital diplococci disease genital gonococcus gonorrhea gonorrhoeae health healthy human icon illness illustration infection isolated line magnification male medical medicine meningitidis meningitis meningococcal meningococcus microbiology model nature neisseria outline pathogen pathogenic pathology science scientific shape spherical surface thin unhealthy uterus vector web