Gonorrhoea screening programme.

In a 12-month period, a gonorrhoea screening programme was carried out and 192,983 cultures were collected from various sources in Tennessee; 7% were positive for gonococci. The positivity rate varied from 31-7% in veneral disease clinics to 0-5% in military dependants. The low yield of positive results in certain population groups suggests that selective groups of persons at high risk of infection with gonorrhoea.