what bacteria/protist/fungus/virus causes gonorrhea
Sexually Transmitted Diseases. Photo by: jcjgphotography. A sexually transmitted disease (STD) is any disease whose primary (though not necessarily only) mode of transmission is some form of sexual contact. STDs may be viral, bacterial, protistan (protozoan), or fungal.onorrhea. Gonorrhea, one of the most widespread of the STDs, is caused by the bacterium Neisseria gonorrhoeae, some strains of which are resistant to treatment by penicillin as well as the other drugs of choice.