Improved tracing of contacts of heterosexual men with gonorrhoea. Relationship of altered female to male ratios.
D004197:Disease Reservoirs; D004739:England; D005260:Female; D006069:Gonorrhea / Q000453:epidemiology*; D006280:Health Workforce; D006801:Humans; D008297:Male; D012737:Sex Factors; D011477:Sex Work; D012725:Sexual Behavior; D014526:Urethritis / Q000453:epidemiology; D014852:Wales