Gonorrhoea What is gonorrhoea? Gonorrhoea is a yenereal disease caused by the bacteria Neisseria gonorrhoeae. The disease most frequently 15-25 affects 15-25-year-olds, although the number of cases has fallen in recent years. How do you contract gonorrhoea? Gonorrhoea is mainly transmitted through sexual contact. However, mothers infected with gonorrhoea can also