Resurgence in gonorrhoea and syphilis in UK might be due to cyclic patterns of variations.
D000328:Adult; D004196:Disease Outbreaks; D004812:Epidemiologic Methods; D006069:Gonorrhea / Q000453:epidemiology*; D006801:Humans; D008297:Male; D010507:Periodicity; D013587:Syphilis / Q000453:epidemiology*; D006113:United Kingdom / Q000453:epidemiology